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* function.c (assign_stack_local_1): Restrict sanity check
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * function.c (assign_stack_local_1): Restrict sanity check
4         on frame size overflow to 32-bit and above platforms.
5
6 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
7
8         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
9         * config/cris/cris.c: Include reload.h.
10         (cris_initial_elimination_offset): New function.
11         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
12         Prototype.
13
14 2005-11-12  Richard Guenther  <rguenther@suse.de>
15
16         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
17
18 2005-11-12  Jan Hubicka  <jh@suse.cz>
19
20         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
21         to compare against 0 when possible.
22
23 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
24
25         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
26         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
27         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
28         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
29         in the new order.
30
31 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
32
33         * recog.c (constrain_operands) <case 'g'>: For a match, require
34         that a non-register matches general_operand when strict >= 0.
35
36 2005-11-11  Steven Bosscher  <stevenb@suse.de>
37
38         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
39         previous checkin.
40
41 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
42
43         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
44         (memory_address_same): New.
45         (dse_optimize_stmt): Call memory_address_same.
46
47 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
48
49         PR middle-end/24750
50         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
51         ZERO_EXTEND>: New cases.
52
53 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
54
55         * longlong.h (__clz_tab): Always provide.
56
57 2005-11-11  Steven Bosscher  <stevenb@suse.de>
58
59         PR 24265
60         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
61         can be assigned to.
62         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
63         before check_maybe_invariant.
64         (move_invariant_reg): Use gen_move_insn instead of replacing
65         SET_DEST with the temporary for the invariant.
66         (move_loop_invariants): If checking is enabled, do internal
67         consistency checks after completing the pass.
68
69 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
70
71         PR 24644
72         * common.opt (Wvolatile-register-var): New.
73         * varasm.c (make_decl_rtl): Only emit warning when option
74         specified.  Clarify warning message.
75         * doc/invoke.texi (Wvolatile-register-var): Document new option.
76
77         * doc/md.texi (copysign): Document standard named pattern.
78
79 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
80
81         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
82         bytes when align is 2.
83         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
84         by the first instruction of the loop.
85
86 2005-11-11  Jason Merrill  <jason@redhat.com>
87
88         PR c++/24686
89         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore 
90         the cleanup list.
91
92 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
93
94         PR rtl-optimization/22509
95         * local-alloc.c (memref_used_between_p): Check whether a function call
96         could not reference the memref.
97
98 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
99
100         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
101         algorithm so as to choose the best, not the worst, alternative.
102         Reset accumulated register class before processing next alternative.
103
104 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
105
106         PR target/24445
107         * calls.c (expand_call): Copy a return value to a plain register
108         if needed.
109
110 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
111
112         PR target/24778
113         * varasm.c (assemble_name): Recompute name only for transparent
114         aliases.
115
116 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
117
118         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
119
120 2005-11-04  Jeff Law  <law@redhat.com>
121
122         PR middle-end/23181
123         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
124         perform reassociation if the parent statement will not die as
125         a result of the optimization.
126
127 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
128
129         * tree-ssa-alias.c (compute_may_aliases): Remove call to 
130         delete_old_heap_vars.
131         * tree-dfa.c (referenced_var_remove): Remove function.
132         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
133         (delete_tree_ssa): Remove call to delete_old_heapvars.
134         Add call to delete_alias_heapvars.
135         * tree-flow.h (referenced_var_remove): Remove prototype
136         (init_alias_heapvars): New prototype.
137         (delete_alias_heapvars): Ditto.
138         * Makefile.in (tree-ssa-structalias.o): Add
139         gt-tree-ssa-structalias.o
140         (GTFILES): Add tree-ssa-structalias.h and
141         tree-ssa-structalias.c.
142         (s-gtype): Add gt-tree-ssa-structalias.h.
143         * tree-ssa-structalias.c (heapvars): Remove.
144         (oldheapvars): Remove.
145         (heapvar_for_stmt): New variable.
146         (heapvar_lookup): New function.
147         (heapvar_insert): Ditto.
148         (get_constraint_for): See if we have an old heapvar
149         to reuse.
150         (init_alias_heapvars): New function.
151         (delete_alias_heapvars): Ditto.
152         Add include of gt-tree-ssa-structalias.h.
153
154 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
155
156         PR middle-end/22127
157         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
158
159 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
160
161         * tree.c (int_fits_type_p): Only look at the base type
162         if it has the same precision as the original type.
163
164 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
165
166         PR other/4372
167         * varasm.c (assemble_alias): Use %q+D in the error
168         message instead of %J and %qD.
169
170 2005-11-10  Richard Guenther  <rguenther@suse.de>
171
172         * gcse.c (free_ldst_entry): Only free hashtable if
173         it exists.
174
175 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
176
177         * function.c (assign_stack_local_1): Issue an error message if
178         the frame size overflows in the signed target arithmetics.
179
180 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
181
182         * tree.c (build_qualified_type): Chain the new type to the original
183         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
184         a POINTER_TYPE or a REFERENCE_TYPE respectively.
185         (build_pointer_type_for_mode): Only return unqualified types.
186         (build_reference_type_for_mode): Likewise.
187
188 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
189
190         * Makefile.in (gnucompare): Do comparison of all files using one of
191         the chosen methods and only afterwards decide if just warning should
192         be issued or comparison failure raised.
193
194 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
195
196         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
197         (noce_try_abs): Negate if the comparison is reversed.
198         Look only one instruction backwards for a REG_EQUAL note.
199
200 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
201
202         PR other/4372
203         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
204         gthr-tpf.h: Define __gthrw.  For all identifiers that might
205         be weak, introduce weakrefs or non-weak aliases with __gthrw,
206         and prefix all uses with __ghtrw.
207
208 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
209
210         PR other/4372
211         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
212         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
213         * c-common.c (handle_weakref_attribute): New.
214         (c_common_attribute_table): Add weakref.
215         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
216         in the assembler.
217         * configure, config.in: Rebuilt.
218         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
219         * doc/extend.texi: Document weakref attribute.
220         * varasm.c (ultimate_transparent_alias_target): New
221         (assemble_name): Use it.
222         (weak_finish_1): Split out of...
223         (weak_finish): ... and deal with weakrefs in...
224         (weakref_targets): ... new list.
225         (globalize_decl): Clean up weakref_targets.
226         (do_assemble_alias): Handle weakrefs.
227         (finish_aliases_1): Do not reject weakrefs to external symbols.
228         (assemble_alias): Handle weakrefs.
229
230 2005-11-09  Richard Guenther  <rguenther@suse.de>
231
232         PR tree-optimization/24716
233         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
234         t_bool to track results from follow_ssa_edge.
235
236 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
237
238         * final.c (force_source_line): New global variable.
239         (final_scan_insn): Set it to true instead of clearing last_filename.
240         (notice_source_line): Return true if force_source_line is true,
241         unless source info is absent.
242
243 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
244
245         PR c/24644
246         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
247         a linkage name for a variable if it a register variable.
248         * c-decl.c (grokdeclarator): Global register variables
249         should be set as PUBLIC.
250
251 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
252
253         PR 24624
254         * config/s390/s390.c (struct s390_frame_layout): New fields 
255         first_save_gpr_slot and last_save_gpr_slot.
256         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,  
257         s390_emit_epilogue, s390_initial_elimination_offset): Replaced 
258         first_save_gpr and last_save_gpr with the _slot variants.
259         (s390_register_info): Calculate first_save_gpr_slot and 
260         last_save_gpr_slot using regs_ever_live.
261
262 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
263
264         PR 24623
265         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
266         for a function containing a landing pad.
267
268 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
269
270         PR 24034
271         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
272         is live afterwards.
273
274 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
275
276         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
277         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
278
279 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
280
281         Add ms2 support
282         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
283         constants.
284         (call,load,store): New insn types.
285         (mem_access, branch_access): Adjust reservation conditions.
286         (define_delay): Adjust condition.
287         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
288         type.
289         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
290         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
291         insn type.
292         (call_internal, call_value_internal, return_internal,
293         return_interrupt_internal, eh_return_internal, indirect_jump,
294         tablejump): Set call insn type.
295         (blockage, ei, di): Use appropriate unspec const.
296         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
297         (ms1_get_attr_type): Adjust to give load & store types.
298         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
299         backwards past a barrier.
300         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
301         branch scheduling.
302         (struct branch_info, struct label_info): New.
303         (ms1_labels): New.
304         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
305         (ms1_machine_reorg): New.
306         (TARGET_MACHINE_DEPENDENT_REORG): Override.
307         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
308         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
309         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
310         (TARGET_MS2): New.
311
312 2005-11-09  Per Bothner  <per@bothner.com>
313             Uros Bizjak  <uros@kss-loka.si>
314         
315         PR c/24101
316         * toplev.c (process_options): Initialize debug_hooks early
317         in case lang_hooks.post_options ends up calling a debug_hook.
318
319 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
320
321         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
322         DBX_REGISTER_NUMBER being contiguous.
323
324 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
325             Diego Novillo  <dnovillo@redhat.com>
326
327         PR 23046
328         * tree-vrp.c (register_edge_assert_for): Do not register
329         always-false predicates.
330
331 2005-11-08  Devang Patel <dpatel@apple.com>
332
333         PR tree-optimization/23115
334         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
335         relation.
336
337 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
338
339         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
340         -mcpu=440.
341
342 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
343
344         Fix PR tree-optimization/23382
345
346         * tree-ssa-alias.c (compute_may_aliases): Call
347         delete_old_heap_vars.
348         * tree-dfa.c (referenced_var_remove): New function.
349         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
350         * tree-flow.h (referenced_var_remove): Add prototype.
351         (delete_old_heap_vars): Ditto.
352         * tree-ssa-structalias.c (heapvars): New variable.
353         (oldheapvars): Ditto.
354         (get_constraint_for): Put heap vars on heapvars list.
355         (delete_old_heap_vars): New function.
356         
357 2005-11-08  Jason Merrill  <jason@redhat.com>
358
359         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
360
361 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
362
363         PR target/19340
364         * reg-stack.c (reg_to_stack): Update register liveness also
365         for flag_sched2_use_traces.
366
367 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
368
369         PR target/23704
370         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
371         override prior explicit -mno-powerpc-gfxopt.
372
373 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
374
375         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
376         if the bitsize is zero.
377         * doc/md.texi (Standard Pattern Names): Document it.
378
379         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
380         (TARGET_PASS_BY_REFERENCE): Likewise.
381
382 2005-11-07  Ian Lance Taylor  <ian@airs.com>
383
384         PR rtl-optimization/24683
385         * config/i386/i386.c (legitimize_pic_address): If constant operand
386         to PLUS is too large, put it in a register.
387
388 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
389
390         * configure.ac: Enable checking assembler dwarf2 support for bfin
391         target.
392         * configure: Regenerate.
393
394 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
395
396         PR target/24230
397
398         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
399         gen_easy_vector_constant_add_self): Delete.
400         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
401         New.
402         (output_vec_const_move): Use gen_easy_altivec_constant.
403         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
404         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
405         (easy_vector_constant_add_self): Rewritten.
406         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
407         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
408         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
409         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
410         Macroize and adjust for the other changes.
411
412 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
413
414         PR c/24599
415
416         * c-typeck.c (build_c_cast): Try using a shared constant, and see
417         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
418
419 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
420
421         PR rtl-optimization/23567
422         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
423         (noce_process_if_block): Don't do any optimizations except
424         if (cond) x = x; if !set_b and write into orig_x may trap
425         or fault.  Remove the MEM_READONLY_P check.
426
427 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
428
429         PR 24670
430         * tree-vrp.c (fix_equivalence_set): New.
431         (extract_range_from_assert): Call it.
432
433 2005-11-05  Ian Lance Taylor  <ian@airs.com>
434
435         PR target/22432
436         * combine.c (apply_distributive_law): Don't distribute across a
437         vector mode subreg.
438
439 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
440
441         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
442         config/ms1/ms1.h, config/rs6000/predicates.md,
443         config/s390/s390.c, params.def, postreload-gcse.c,
444         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
445         tree-vrp.c, tree.c: Fix comment typos.
446         * doc/invoke.texi: Fix typos.
447
448 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
449
450         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
451         for testing whether the data_dependence_relation contains distance
452         vectors.  Iterate over all distance vectors of the ddr.
453         * lambda.h: Define a vec of lambda_vector pointers.
454         * tree-data-ref.c (dump_data_dependence_relation,
455         dump_data_dependence_direction): Iterate over all distance and
456         direction vectors of the ddr.
457         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
458         DDR_DIST_VECTS.
459         (build_classic_dist_vector, build_classic_dir_vector): Push a set
460         of distance/direction vectors instead of a single one.
461         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist 
462         lambda_vectors with a vec of lambda_vectors.
463         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
464         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
465         DDR_NUM_DIST_VECTS): New.
466         * tree-loop-linear.c (gather_interchange_stats): Test for the
467         existence of distance vectors only after having checked that there
468         is a dependence.  Iterate over all distance vectors of the ddr.
469         (linear_transform_loops): Use dump_data_dependence_relation.
470         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
471         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
472         distance vectors of the ddr.
473
474 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
475
476         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
477         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
478         IS_INTHANDLER; all callers changed.
479         (n_regs_saved_by_prologue): Take interrupt handler attributes into
480         account.
481         (do_link, do_unlink): New argument ALL; all callers changed.
482         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
483         If function isn't leaf, save and restore all registers.
484         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
485         exception handler.
486
487 2005-11-05  Jan Hubicka  <jh@suse.cz>
488
489         PR rtl-optimization/23490
490         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
491         max-flow-memory-location): Document.
492         * flow.c: Include params.h
493         (MAX_MEM_SET_LIST_LEN): Kill.
494         (add_to_mem_set_list): Use new param.
495         * cse.c (cse_basic_block): Replace 1000 by new param.
496         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
497         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
498         * predict.c (predict_loops): Use new param.
499         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
500
501         * ipa-inline.c (cgraph_decide_inlining_of_small_function, 
502         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
503         Do not hold memory returned by cgraph_node_name across other call.
504
505 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
506
507         PR target/23424
508         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
509         Disable.
510
511 2005-11-04  Jeff Law  <law@redhat.com>
512
513         PR/21883
514         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
515         * tree-ssa-dom.c: Include params.h.
516         (thread_across_edge): If there are too many statements in the
517         target block, then do not thread through it.
518         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
519         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
520
521 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
522
523         PR 24627
524         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
525         TODO_update_ssa instead of TODO_update_ssa_no_phi.
526
527 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
528
529         PR/18595
530         * tree-scalar-evolution.c (instantiate_parameters_1,
531         instantiate_parameters, resolve_mixers): Compute the size of an
532         expression to be instantiated and give up the instantiation if the
533         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
534
535 2005-11-04  Richard Guenther  <rguenther@suse.de>
536
537         * tree-flow.h (ref_contains_indirect_ref): Rename to
538         array_ref_contains_indirect_ref.
539         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
540         (array_ref_contains_indirect_ref): Make comment match the code
541         and vice-versa.
542         (ref_contains_array_ref): Likewise.
543         * tree-ssa-structalias.c (find_func_aliases): Remove call to
544         ref_contains_indirect_ref.
545         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
546         Rename calls to ref_contains_indirect_ref.
547
548 2005-11-04 Paul Brook  <paul@codesourcery.com>
549
550         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
551         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
552         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
553         * config/arm/arm.md: Use match_operand in peephole input templates
554         and match_dup in peephole output templates.
555
556 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
557
558         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
559         __aeabi_uidiv.
560
561 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
562             Daniel Jacobowitz  <dan@codesourcery.com>
563
564         * longlong.h (add_ssaaaa): Clobber condition code register
565         in ARM version.
566         (sub_ddmmss): Likewise.
567         (umul_ppmm): Likewise.
568
569 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
570             Paul Brook  <paul@codesourcery.com>
571             Phil Blundell  <pb@reciva.com>
572
573         * configure.ac: Add test for ARM TLS support.
574         * configure: Regenerated.
575         * config/arm/arm-protos.h (legitimize_tls_address)
576         (arm_tls_referenced_p, tls_mentioned_p)
577         (arm_output_addr_const_extra): New prototypes.
578         (thumb_legitimize_pic_address): Delete.
579         * config/arm/arm.c: Include "gt-arm.h".
580         (enum tls_reloc): New.
581         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
582         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
583         (arm_call_tls_get_addr, legitimize_tls_address)
584         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
585         (arm_init_tls_builtins, arm_emit_tls_decoration)
586         (arm_output_addr_const_extra): New functions.
587         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
588         (TARGET_HAVE_TLS): Define.
589         (target_thread_pointer): New.
590         (arm_override_options): Handle -mtp=.
591         (legitimize_pic_address): Ignore UNSPECs.
592         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
593         relative symbols.
594         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
595         (tls_get_addr_libfunc): New variable.
596         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
597         (arm_init_builtins): Call arm_init_tls_builtins.
598         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
599         (arm_encode_section_info): Call default_encode_section_info.
600         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
601         (enum arm_tp_type): New.
602         (target_thread_pointer): Add declaration.
603         (LEGITIMATE_CONSTANT_P): Handle TLS.
604         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
605         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
606         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
607         * config/arm/arm.md: Add UNSPEC_TLS.
608         (movsi): Handle TLS.
609         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
610         non-PIC.
611         (tls_load_dot_plus_eight): New insn and a peephole to create it.
612         (load_tp_hard, load_tp_soft): New insns.
613         * arm.opt: Add -mtp=.
614         * doc/invoke.texi (ARM Options): Document -mtp.
615
616 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
617
618         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
619         * config/arm/libunwind.S: Include "lib1funcs.asm".
620         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
621         (LIB2ADDEH): Add libunwind.S.
622         (LIB2ADDEHDEP): Add lib1funcs.asm.
623         * mklibgcc.in: Handle asm files in libgcc_eh.a.
624
625 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
626
627         PR fortran/18452
628         * gcc/c.opt: Add a -lang-fortran option.
629         * gcc/c-opts.c: Add a lang_fortran flag.
630         (c_common_init_options): Handling the -lang-fortran option.
631         (c_common_handle_option): Add a case for Fortran options in
632         preprocessing. Remove cases for -ffixed-form and
633         -ffixed-line-length. Add a case for -lang-fortran.
634
635 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
636
637         * config/rs6000/rs6000.c: Include params.h
638         (optimization_options): Set max-grow-copy-bb-insns default to 16.
639         (bdesc_2arg): Delete vpkuhss and vpkuwss.
640         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
641         (UNSPEC_VPKUWSS): Delete.
642         (altivec_vpkuhss): Delete.
643         (altivec_vpkuwss): Delete.
644         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
645         final condition.
646         (neg_eq0<mode>): Remove final condition.
647         (neg_eq<mode>): Remove condition and split-condition.
648
649 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
650
651         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
652         Use associated print macros.
653
654 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
655
656         PR c++/17964
657         * diagnostic.c (diagnostic_set_info_translated): New function.
658         (diagnostic_set_info): Use it.  Add comment.
659         * diagnostic.h (diagnostic_set_info_translated): Declare.
660
661 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
662
663         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
664         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
665         reference only if 'public' is true.
666         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
667         emit the .hidden directive only if the indirect reference is public.
668         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
669         Pass it to dw2_force_const_mem.
670         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
671         * dwarf2out.c (output_cfi): Adjust calls to above function.
672         (output_call_frame_info): Likewise.
673         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
674         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
675
676 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
677
678         PR tree-optimization/24483
679         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
680         field to elts if possible.
681
682 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
683
684         PR middle-end/23155
685         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
686         CONSTRUCTOR.
687
688 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
689
690         Fix PR tree-optimization/24351
691
692         * tree-ssa-structalias.c (struct variable_info): Add
693         collapsed_into.
694         (get_varinfo_fc): New function to follow collapsing.
695         (new_var_info): Set collapsed_to to NULL.
696         (dump_constraint): Follow collapsing.
697         (build_constraint_graph): Handle collapsing.
698         (do_simple_structure_copy): Return false if something bad
699         happened.
700         (collapse_rest_of_var): New function.
701         (do_structure_copy): Collapse if do_simple_structure_copy returns
702         false.
703         
704 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
705
706         PR middle-end/24589
707         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
708         expressions to a statement list instead of gimplifying them.
709
710 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
711
712         PR rtl-optimization/23585
713         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
714         that can't trap plus a constant integer, if the mode has zero size.
715
716 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
717
718         PR target/24620
719         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
720         as operand 2.
721         ("*insv<mode>_reg_extimm"): Likewise.
722
723 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
724
725         PR c/24329
726         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
727         c_common_type_for_mode returns an unnamed type.
728
729 2005-11-02  Richard Henderson  <rth@redhat.com>
730
731         PR target/9350
732         PR target/24374
733         * dwarf2out.c (dwarf2out_reg_save_reg): New.
734         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
735         * function.c (assign_parms): Use calls.internal_arg_pointer.
736         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
737         code.
738         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
739         (TARGET_CALLS): Add it.
740         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
741         * targhooks.c (default_internal_arg_pointer): New.
742         * targhooks.h (default_internal_arg_pointer): Declare.
743         * tree.h (dwarf2out_reg_save_reg): Declare.
744         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
745         * config/i386/i386.c (dbx_register_map): Add return column.
746         (dbx64_register_map, svr4_dbx_register_map): Likewise.
747         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
748         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
749         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
750         (ix86_save_reg): Save force_align_arg_pointer.
751         (ix86_emit_save_regs): Make regno unsigned.
752         (ix86_emit_save_regs_using_mov): Likewise.
753         (ix86_expand_prologue): Handle force_align_arg_pointer.
754         (ix86_expand_epilogue): Likewise.
755         * config/i386/i386.h: (dbx_register_map): Update.
756         (dbx64_register_map, svr4_dbx_register_map): Update.
757         (struct machine_function): Add force_align_arg_pointer.
758         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
759         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
760         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
761
762 2005-11-02  Jan Hubicka  <jh@suse.cz>
763
764         PR target/23303
765         * i386.md: Add peep2 for simplyfing array accesses.
766
767 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
768
769         PR target/24615
770         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
771         * config/s390/s390.c (s390_decompose_shift_count): New function.
772         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
773         (print_shift_count_operand): Use s390_decompose_shift_count.
774         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
775         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
776
777 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
778
779         PR target/24600
780         * loop.c (loop_givs_rescan): Use force_operand to expand
781         complex GIVs.
782
783 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
784
785         PR 22429
786         * fold-const.c (build_range_check): Use unsigned when signed
787         overflow is undefined also.  If etype is subtype, make sure that
788         the subtraction is in the supertype.
789
790 2005-11-02  Richard Henderson  <rth@redhat.com>
791
792         PR target/24178
793         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
794         by MEM_ALIGN.
795
796 2005-11-01  Richard Henderson  <rth@redhat.com>
797
798         PR 21518
799         * loop.c (scan_loop): Do not propagate computations to a hard
800         register destination with SMALL_REGISTER_CLASSES.
801
802 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
803
804         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
805         costs for MULT inside PLUS or MINUS.
806
807 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
808
809         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
810         (TRAMPOLINE_SIZE): Round up to 60.
811         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
812
813 2005-10-31  James E. Wilson  <wilson@specifix.com>
814
815         PR debug/24444
816         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
817         ifdef.  Put ifdefs around call in gen_subprogram_die.
818         (compute_frame_pointer_to_cfa_displacement): Likewise.
819         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
820         not defined.
821         
822         PR rtl-optimization/17356
823         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
824         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
825
826 2005-10-31  Jan Hubicka  <jh@suse.cz>
827
828         PR middle-end/24093
829         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
830
831         PR target/20928
832         * i386.c (legitimize_pic_address): Deal with large immediates.
833
834         PR profile/20815
835         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
836         from symbol names while computing checkup.
837
838         PR profile/24487
839         * predict.c (predict_loops): Do not estimate more than
840         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
841         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
842
843 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
844         
845         PR tree-optimization/19097
846         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
847
848 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
849
850         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
851
852 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
853
854         PR middle-end/23492
855         * tree-inline.c (setup_one_parameter): If the init_stmt
856         is NULL, don't insert the statement.
857
858 2005-10-30  Jan Hubicka  <jh@suse.cz>
859
860         PR tree-optimization/24172
861         * tree-inline.c (copy_body_r): Unshare the substituted value first.
862
863 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
864
865         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
866         constants for hosts with long != 32 bits.
867
868 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
869
870         PR middle-end/24093
871         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
872
873 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
874
875         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
876         (TARGET_MS1_16_002): New.
877         (TARGET_MS1_16_003): New.
878
879         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
880         ("*decrement_and_branch_until_zero_no_clobber"): New.
881         Add corresponding splitter for decrement_and_branch_until_zero
882         instruction.
883         Key all decrement_and_branch_until_zero patterns off of
884         TARGET_MS1_16_003.
885
886 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
887
888         PR middle-end/24362
889         * tree-complex.c (extract_component): Treat RESULT_DECL
890         like the rest of the decls.
891
892 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
893
894         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
895         indirect call to _mcount if the function needs a static chain.
896
897 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
898             Caroline Tice  <ctice@apple.com>
899
900         PR rtl-optimization/24460
901         * dwarf2out.c (have_switched_text_sections): New boolean variable.
902         (dwarf2out_switch_text_section): Set it to true instead of
903         incrementing separate_line_info_table_in_use.
904         (output_loc_list): Additionally test have_switched_text_sections.
905         (output_ranges): Likewise.
906         (dwarf2out_finish): Likewise.
907         * varasm.c (assemble_start_function): Do not call
908         insert_section_boundary_note.
909         (assemble_end_function): If flag_reorder_blocks_and_partition,
910         switch to the function's section before emitting the .size directive.
911         * bb-reorder.c (insert_section_boundary_note): Staticify.
912         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
913         * output.h (insert_section_boundary_note): Delete.
914
915 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
916
917         PR c/23103
918         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
919         instead of pointer equality when comparing types.
920
921 2005-10-24  James E. Wilson  <wilson@specifix.com>
922
923         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
924         add_dependence_list_and_free calls.
925
926 2005-10-24  Steven Bosscher  <stevenb@suse.de>
927
928         * contrib.texi: Add the names of the LLNL folks who donated
929         Cray pointer support for gfortran.
930
931 2005-10-24  Steven Bosscher  <stevenb@suse.de>
932
933         PR tree-optimization/24225
934         * profile.c (branch_prob): Look from end to start through a
935         basic block when looking for a locus.
936
937 2005-10-24  Richard Henderson  <rth@redhat.com>
938
939         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
940         parallel.
941         (hppa_expand_prologue): Likewise.
942
943 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
944
945         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
946         (NO_DEFERRED_PROFILE_COUNTERS): Define.
947         * pa.h (NO_PROFILE_COUNTERS): Define.
948         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
949         (funcdef_nos): New vector to hold label numbers of deferred profile
950         counters.
951         (output_deferred_profile_counters): New function.
952         (hppa_profile_hook): Push label number onto funcdef_nos.
953         (pa_hpux_file_end): Call output_deferred_profile_counters if
954         NO_DEFERRED_PROFILE_COUNTERS is false.
955
956         * pa-protos.h (get_deferred_plabel): New prototype.
957         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
958         Make global.
959         (output_call): Adjust calls.
960
961 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
962
963         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
964         peculiarity of GOT/TOC section usage.
965
966 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
967
968         PR objc/24435
969          * c-common.c (constant_string_class_name): Add documentation.
970
971 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
972
973         PR target/23832
974         * recog.c (peephole2_optimize): Increment peep2_current_count
975         only when the slot is empty.
976
977 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
978
979         PR ada/23957
980         * except.c (output_function_exception_table): Call
981         assemble_external_libcall if we need a personality function.
982
983 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
984
985         PR rtl-optimization/24460
986         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
987         set the basic block for barriers.
988
989 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
990
991         * var-tracking.c (vt_initialize): Initialize post.
992
993 2005-10-21  Devang Patel  <dpatel@apple.com>
994
995         PR/24220
996         * c-common.c (vector_types_convertible_p): Check vector element type.
997         
998 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
999
1000         * config/sh/sh.c (prepare_move_operands): Handle the address
1001         constant which is a tls symbolic address plus a constant.
1002
1003 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1004
1005         PR driver/24473
1006         * gcc.c (main): Use the correct counter for erroring out
1007         about mulitple files.
1008
1009 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
1010
1011         PR target/24465
1012         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1013         use r2 for 64-bit tls .got access.
1014
1015 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
1016
1017         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1018         TRUTH_OR_EXPR.
1019
1020 2005-10-20  Steven Bosscher  <stevenb@suse.de>
1021
1022         PR tree-optimization/24307
1023         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1024
1025 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
1026
1027         PR middle-end/24295
1028         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1029         alias targets.
1030         * varasm.c (find_decl_and_mark_needed): After cgraph global info
1031         is ready, stop marking functions, but still mark variables.
1032
1033 2005-10-20  Richard Guenther  <rguenther@suse.de>
1034
1035         PR c++/24439
1036         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1037         void type operands.
1038
1039 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
1040
1041         PR rtl-optimization/23585
1042         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1043         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
1044         (may_trap_p_1): New predicate extracted from...
1045         (may_trap_p): ... here.  Invoke may_trap_p_1.
1046         (may_trap_or_fault_p): New predicate.
1047         * rtl.h (may_trap_or_fault_p): Declare it.
1048         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1049         instead of may_trap_p.
1050         (steal_delay_list_from_fallthrough): Likewise.
1051         (fill_simple_delay_slots): Likewise.
1052         (fill_slots_from_thread): Likewise.
1053         * function.c (pad_to_arg_alignment): Rework comment about
1054         SPARC_STACK_BOUNDARY_HACK.
1055         * config/sparc/sparc.h: Likewise.
1056
1057 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
1058
1059         * config/s390/s390.c (s390_expand_insv): New.
1060         * config/s390/s390-protos.h (s390_expand_insv): Declare.
1061         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1062         ("icm_hi"): Remove mode attribute.
1063         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1064         Adjust all uses.
1065         ("*extracthi", "*extractqi"): Remove.
1066         (extv<mode>", "*extzv<mode>"): New.
1067         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1068         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1069
1070 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1071
1072         * cfgexpand.c (discover_nonconstant_array_refs_r,
1073         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1074         (tree_expand_cfg): Call discover_nonconstant_array_refs.
1075         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1076         discover_nonconstant_array_refs.
1077
1078 2005-10-19  Steven Bosscher  <stevenb@suse.de>
1079
1080         PR c/23228
1081         * c-decl.c (pop_scope): Don't warn about an unused variable
1082         if it is marked with TREE_NO_WARNING.
1083         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1084         somenow mismatch and olddecl is to be replaced.
1085
1086 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1087
1088         PR middle-end/23199
1089         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1090         whether registers live on the edge can be saved/restored.
1091
1092 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1093
1094         * config/sh/sh.c (fixup_mova): Skip notes.
1095
1096 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1097
1098         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1099         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1100         (s390_can_eliminate): Handle BASE_REGNUM elimination.
1101         (s390_initial_elimination_offset): Likewise.
1102         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1103         register on TARGET_ZARCH targets.
1104         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1105         (INITIAL_FRAME_POINTER_OFFSET): Remove.
1106         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1107         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1108
1109 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1110
1111         * config/s390/s390.md: Comment describing output modifiers updated.
1112         * config/s390/s390.c (print_operand): Likewise.
1113
1114 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1115
1116         * config/s390/s390.c (override_options): Added check for -mstack-size
1117         64k limitation.
1118         * doc/invoke.texi: Mention that limit in the documenation.
1119
1120 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
1121
1122         PR #19672
1123         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1124
1125 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
1126
1127         Fix PR tree-optimization/24231
1128
1129         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1130         (compute_avail): Ditto.
1131
1132 2005-10-18  Richard Henderson  <rth@redhat.com>
1133
1134         PR target/24428
1135         * config/i386/i386.c (legitimate_constant_p): Check
1136         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
1137         if LABEL_REF.
1138         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1139         (legitimate_pic_address_disp_p): Reorg CONST checking to make
1140         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
1141         directly.
1142         (print_operand_address): Likewise.
1143         * config/i386/predicates.md (x86_64_immediate_operand): Test
1144         SYMBOL_REF_TLS_MODEL properly inside CONST.
1145         (x86_64_zext_immediate_operand): Likewise.
1146         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1147         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1148         * config/i386/i386-protos.h: Remove predicates.md entries.
1149
1150 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
1151
1152         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1153         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1154
1155 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
1156             Ian Lance Taylor <ian@airs.com>
1157
1158         PR middle-end/23522
1159         * fold-const.c (fold_widened_comparison): Do not allow range based
1160         constant folding when right operand cannot be unwidened.
1161
1162 2005-10-17  Richard Henderson  <rth@redhat.com>
1163
1164         * builtins.c (expand_builtin_synchronize): Build a new-style asm
1165         with a memory clobber.
1166
1167 2005-10-17  James E Wilson  <wilson@specifix.com>
1168
1169         PR rtl-optimization/17356
1170         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1171         checking for EDGE_EH.
1172
1173 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1174
1175         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1176         the slot on an even boundary for any type with 16-byte alignment.
1177
1178 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
1179
1180         PR target/23424
1181         * md.texi (Modifiers) <%>: Clarify that % doesn't work
1182         after register allocation.
1183
1184 2005-10-17  DJ Delorie  <dj@redhat.com>
1185
1186         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1187         as frame related.
1188
1189 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
1190
1191         PR c++/22551
1192         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1193         overflow flags.
1194
1195 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
1196
1197         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1198         to 2 if it's already non-zero.
1199         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1200         is set and warn about it if flag_schedule_insns is 1.
1201
1202 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
1203
1204         * config/crx/crx.md: Compare-and-branch instructions need to
1205         invalidate CC.
1206
1207 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
1208
1209         PR target/24315
1210         * config/i386/i386.md (*pushdi2_rex64 splitter)
1211         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1212         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1213         flow2 pass only when (optimize > 0 && flag_peephole2).
1214
1215 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
1216
1217         PR driver/22544
1218         * gcc.c (have_c): New static variable.
1219         (have_o): Likewise.
1220         (process_command): Remove declation of have_c.
1221         Set have_o to 1 when handling -o.
1222         (main): Add a fatel error if there are multiple
1223         files specified and -o and -c/-S is passed witout
1224         -combine or multiple languages.
1225
1226 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
1227
1228         Fix PR tree-optimization/22444
1229         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1230         Assert that we don't hit something with subvars.
1231         (setup_pointers_and_addressables): Don't add things with subvars,
1232         because we'll already process the subvars for aliasing purposes.
1233
1234 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
1235
1236         PR target/23424
1237         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1238         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1239         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1240         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1241         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1242         swapped, alternatives for the R constraint.
1243
1244         PR middle-end/24341
1245         * builtins.c (get_builtin_sync_mode): Make unlimited
1246         mode_for_size request.
1247
1248 2005-10-15  Richard Henderson  <rth@redhat.com>
1249
1250         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1251         (gimplify_expr): ... here.
1252         (gimplify_compound_lval): Use it in initial scan loop.  Allow
1253         fb_lvalue in base expression.
1254
1255 2005-10-15  Richard Henderson  <rth@redhat.com>
1256
1257         PR 23714
1258         * builtins.c (expand_builtin_trap): Export.
1259         * expr.h (expand_builtin_trap): Declare.
1260         * expr.c (expand_assignment): Emit a trap for integral offsets 
1261         from registers that weren't reduced to bitpos.
1262
1263         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1264         (mark_array_ref_addressable): Remove.
1265         * tree-flow.h (mark_array_ref_addressable): Remove.
1266         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1267
1268 2005-10-15  James E Wilson  <wilson@specifix.com>
1269
1270         PR target/24232
1271         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
1272         (add_dependence_list_and_free): Likewise.
1273         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1274         call.
1275
1276 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
1277
1278         PR 23141
1279         PR 23142
1280         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1281         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1282         anti-range.
1283         (vrp_visit_phi_node): Only prevent infinite iterations when
1284         the previous result and the new result are both VR_RANGEs.
1285
1286 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
1287
1288         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1289         function comment.
1290
1291 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1292
1293         PR c/23439
1294         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1295         to initialize loc.
1296
1297 2005-10-14  Per Bothner  <per@bothner.com>
1298
1299         PR preprocessor/21250
1300         * c-ppoutput.c (print_line): Print internal line 0 as 1.
1301
1302 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
1303
1304         PR c++/22551
1305         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1306         overflow flags.  Refactor some conditionals.
1307
1308 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
1309
1310         PR tree-opt/21304
1311         * tree-dfa.c (add_referenced_var): Only look at decls which
1312         have TREE_CONSTANT or TREE_READONLY set instead of if
1313         !TREE_PUBLIC or !TREE_CONSTANT.
1314
1315 2005-10-13  James E Wilson  <wilson@specifix.com>
1316
1317         * doc/invoke.texi: For -x, add f95-cpp-input.
1318         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1319
1320 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
1321
1322         PR tree-optimization/24262
1323         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1324         in loop all the time.
1325
1326 2005-10-12  Richard Henderson  <rth@redhat.com>
1327
1328         PR c/24255
1329         * tree.h (DECL_TRANSPARENT_UNION): Remove.
1330         * function.c (assign_parm_find_data_types): Don't support it.
1331         * print-tree.c (print_node): Likewise.
1332         * c-common.c (handle_transparent_union_attribute): Likewise.
1333         Use build_duplicate_type.
1334         * tree-inline.c (remap_type_1): Split out of remap_type;
1335         properly remap aggregate fields.
1336         (build_duplicate_type): New.
1337         * doc/extend.texi (Variable Attributes): Remove documentation
1338         for transparent_union.
1339
1340 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1341
1342         PR target/24284
1343         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1344         (gen_stack_pointer_dec): Likewise.
1345
1346 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
1347
1348         PR middle-end/21275
1349         PR middle-end/21766
1350         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1351         target hook.
1352         (struct cxx): Add adjust_class_at_definition target hook.
1353         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1354         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1355         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
1356         hook_void_tree. Add to TARGET_CXX.
1357         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1358         dllimport_flag.
1359         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1360         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1361         instead of attribute. Check for dllexport override.  Warn if
1362         inconsistent dll linkage. Don't lose old dllimport if decl has
1363         had address referenced.   Tweak lookup of dllimport atribute.  
1364         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1365         for target specific rules.  Don't add dllimport attribute if
1366         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
1367         dllimport attribute. 
1368         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1369         * varasm.c (initializer_constant_valid_p): Replace
1370         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1371
1372         PR target/21801
1373         PR target/23589
1374         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
1375         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1376         (i[34567]86-*-mingw32*): Likewise.
1377
1378         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1379         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1380                         
1381         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1382         C++-specific code. Change return value to bool. 
1383         (i386_pe_dllimport_p): Likewise.
1384         (associated_type): Simplify and make language-independent
1385         (i386_pe_encode_section_info): Replace override of ambiguous
1386         dllimport symbol refs with a gcc_assert.
1387         (i386_pe_valid_dllimport_attribute_p): Define.
1388         * config/i386/winnt-cxx.c: New file. Define C++ versions of
1389         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1390         i386_pe_adjust_class_at_definition.
1391         * config/i386/winnt-stubs.c: New file. Define stub versions of
1392         lang-specific functions.
1393         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1394         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
1395         i386_pe_adjust_class_at_definition.
1396         (i386_pe_valid_dllimport_attribute_p): Declare. 
1397         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1398         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1399         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1400
1401         PR target/19704
1402         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1403         dllimport attribute with test of DECL_DLLIMPORT_P.
1404
1405 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
1406
1407         * combine.c (make_extraction): Correct offset computation.
1408
1409 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
1410
1411         * config/cris/t-linux (LIMITS_H_TEST): Define.
1412
1413 2005-10-12  Richard Henderson  <rth@redhat.com>
1414
1415         PR rtl-opt/23324
1416         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1417
1418 2005-10-12  Richard Guenther  <rguenther@suse.de>
1419
1420         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1421
1422 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
1423
1424         PR c++/19964
1425         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1426         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1427         type.
1428
1429 2005-10-12  Richard Guenther  <rguenther@suse.de>
1430
1431         PR c++/23799
1432         * varasm.c (output_constant): Correct typo from previous
1433         patch by DJ.
1434
1435 2005-10-11  Ian Lance Taylor  <ian@airs.com>
1436
1437         PR rtl-optimization/13931
1438         * combine.c: Revert patch of 2003-05-14, and:
1439         (try_combine): Only set elim_i1 and elim_i2 if the destination is
1440         completely killed in the appropriate insn.
1441         (distribute_notes): Don't skip multiple hard register test for
1442         elim_i1 and elim_i2.
1443
1444 2005-10-11  Richard Henderson  <rth@redhat.com>
1445
1446         PR c/24255
1447         * c-typeck.c (convert_for_assignment): Use build_constructor_single
1448         to initialize a transparent union instead of a nop_expr.
1449
1450 2005-10-11  Richard Henderson  <rth@redhat.com>
1451
1452         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1453         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1454         (tree_ssa_dce_loop): Call scev_reset.
1455
1456         PR tree-opt/24300
1457         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1458         * tree-ssa-dce.c: Include cfgloop.h.
1459         (tree_ssa_dce_loop, pass_dce_loop): New.
1460         * tree-pass.h (pass_dce_loop): Declare it.
1461         * passes.c (init_optimization_passes): Use it.
1462
1463 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
1464
1465         PR middle-end/24263 
1466         * convert.c (convert_to_real): Revert 2005-10-05 patch.
1467         Only apply the optimization for rounding builtins if the inner
1468         cast is also an extension.
1469
1470 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
1471
1472         PR tree-opt/23946
1473         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1474         mark_new_vars_to_rename instead of update_stmt.
1475
1476 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1477
1478         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1479
1480 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
1481
1482         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1483         for setting MMX register to 0 rather than mmx.
1484
1485 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
1486
1487         PR target/12098
1488         * configure.ac: Move gas check from mips specific case to common case.
1489         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1490         * configure: Regenerate
1491         * doc/install.texi: Update.
1492
1493 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
1494
1495         PR target/24284
1496         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1497
1498 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
1499
1500         * gcc.c (do_spec_1): Accept numeric characters in file name
1501         suffixes.
1502
1503 2005-10-10  Nick Clifton  <nickc@redhat.com>
1504
1505         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
1506         describing the deleted arm_gen_rotated_half_load function.
1507
1508 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1509
1510         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1511         __fpscr_values.
1512
1513 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
1514
1515         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1516         gnu_ld assignments.
1517         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1518         (EXTRA_MULTILIB_PARTS): Define.
1519         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1520         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1521         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1522         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1523         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1524         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1525
1526 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
1527
1528         PR tree-optimization/24226
1529         * tree-cfg.c (remove_bb): Clean up unreachable loops.
1530         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1531         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1532         Export.
1533
1534 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1535
1536         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1537
1538 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
1539
1540         PR target/24136
1541         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1542         Rewrite for no need for the early clobber.
1543
1544 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1545
1546         Merge from csl-arm-branch:
1547         2005-09-07  Paul Brook  <paul@codesourcery.com>
1548         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1549         space to string.
1550
1551         2005-04-30  Paul Brook  <paul@codesourcery.com>
1552         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1553         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1554
1555         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
1556         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1557         (arm_override_options): Use TARGET_AAPCS_BASED.
1558         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1559         (PTRDIFF_TYPE): Use int for AAPCS.
1560         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1561         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1562         (DEFAULT_SHORT_ENUMS): Delete.
1563         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1564
1565         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
1566         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1567         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1568         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1569
1570         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
1571         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1572
1573         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
1574         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1575  
1576         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
1577         * config.gcc (arm*-*-linux-gnueabi): Add it.
1578         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1579         redefining it.
1580         (TARGET_OS_CPP_BUILTINS): Likeiwse.
1581         * config/arm/linux-eabi.h: New file.
1582         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1583         (LINUX_TARET_LINK_SPEC): Likewise.
1584         (LINK_SPEC): Use it.
1585         * config/arm/t-linux-eabi: New file.
1586
1587 2005-10-08  Steven Bosscher  <stevenb@suse.de>
1588
1589         PR other/22202
1590         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1591         spaces.
1592         (PARAM_SMS_DFA_HISTORY): Likewise.
1593
1594 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
1595
1596         PR middle-end/23150
1597         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1598         (load_register_parameters): Call it.
1599         (check_sibcall_argument_overlap_1): Likewise.
1600         (store_one_arg): Likewise.
1601
1602 2005-10-07  James E. Wilson  <wilson@specifix.com>
1603
1604         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1605         DImode not VECINT24 for operand 2.
1606
1607         PR target/23644
1608         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1609         -mtune-arch.
1610
1611         PR target/24193
1612         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1613         fr_spill): Use destination_operand for operand 0.
1614
1615 2005-10-07  DJ Delorie  <dj@redhat.com>
1616
1617         * varasm.c (output_constant): Limit error to expanding
1618         conversions.
1619
1620 2005-10-07  Richard Guenther  <rguenther@suse.de>
1621
1622         PR middle-end/24227
1623         * fold-const.c (fold_binary): Fix operand types during folding
1624         of X op (A, Y).  Evaluation order of the side-effects of
1625         X and A are frontend-defined, so ensure we honour that even for
1626         tcc_comparison class operands; eased by removing duplicate code.
1627
1628 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1629
1630         * stor-layout.c (layout_type): Do not allow alignment of array
1631         elements to be greater than their size.
1632
1633 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
1634
1635         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1636         host_xmake_file.
1637         (hppa*-*-linux*): Ditto.
1638         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1639         * config/host-hpux.c: New.
1640         * config/x-hpux: New.
1641         * config/pa/x-hpux: Remove.
1642         * config/pa/x-linux: Remove.
1643         * config/pa/pa-host.c: Remove.
1644
1645 2005-10-07  Jeff Law  <law@redhat.com>
1646
1647         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1648         determine whether or not to try and thread outgoing edges.
1649
1650 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
1651
1652         * config/rs6000/rs6000.md (eqsi_power): New.
1653         (neg_eq0si): Add TARGET_POWER to final condition.
1654         (neg_eqsi): Same.
1655
1656 2005-10-06  Richard Henderson  <rth@redhat.com>
1657
1658         * config/rs6000/rs6000.c: Revert last change.
1659
1660 2005-10-06  Richard Henderson  <rth@redhat.com>
1661
1662         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1663         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1664
1665 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
1666
1667         PR middle-end/22216
1668         PR middle-end/23651
1669         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1670         out return_label and naked_return_label.
1671
1672 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1673         
1674         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1675         change.
1676
1677 2005-10-06  Richard Henderson  <rth@redhat.com>
1678
1679         PR tree-opt/22237
1680         * tree-inline.c (declare_return_variable): Handle modify_dest not
1681         being a DECL.
1682
1683 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
1684         
1685         Fix PR tree-optimization/22488
1686         * tree-ssa-structalias.c (check_for_overlaps): New function.
1687         (create_variable_info_for): Use it.
1688
1689 2005-10-06  Richard Henderson  <rth@redhat.com>
1690
1691         PR debug/24070
1692         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1693         (dwarf2out_start_source_file): Print it.
1694
1695 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
1696
1697         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1698
1699 2005-10-06  Richard Henderson  <rth@redhat.com>
1700
1701         PR 23706
1702         * mode-switching.c (optimize_mode_switching): Clear transp bit
1703         for block with incomming abnormal edges.
1704
1705         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1706         (fpscr_set_from_mem): Use them.
1707         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1708         (fpscr postinc splitters): Rewrite as peephole2+split.
1709
1710 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
1711
1712         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1713         (eq<mode>_compare): Same.
1714
1715 2005-10-06  Richard Guenther  <rguenther@suse.de>
1716
1717         PR tree-optimization/24238
1718         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1719
1720 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
1721
1722         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1723         here.  Use AC_PATH_PROG for environment variables instead of
1724         test -x.
1725         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
1726         objdump also.
1727         * configure: Regenerated.
1728
1729 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
1730
1731         PR target/23783
1732         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1733         then force it into a register.
1734         (call_value): Likewise.
1735
1736 2005-10-06  Richard Henderson  <rth@redhat.com>
1737
1738         PR 24049
1739         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1740         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
1741         under pass_vectorize.
1742
1743 2005-10-05  Devang Patel  <dpatel@apple.com>
1744
1745         PR Debug/23205
1746         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1747         handling constants. Check NAMESPACE_DECL context for constants.
1748         
1749 2005-10-05  Eric Christopher  <echristo@apple.com>
1750
1751         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1752
1753 2005-10-05  Richard Henderson  <rth@redhat.com>
1754
1755         PR 23714
1756         * tree-cfg.c (mark_array_ref_addressable_1): New.
1757         (mark_array_ref_addressable): New.
1758         * tree-flow.h (mark_array_ref_addressable): Declare.
1759         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1760
1761 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
1762
1763         PR middle-end/20606
1764         PR middle-end/24069
1765         * reload.c (subst_reloads): When adding a REG_LABEL to a
1766         jump instruction, also update JUMP_LABEL.
1767
1768 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
1769
1770         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1771         * bb-reorder.c (copy_bb_p): Use it.
1772         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1773
1774 2005-10-05  Richard Henderson  <rth@redhat.com>
1775
1776         PR target/23602
1777         * toplev.c (process_options): Warn about unsupported combinations
1778         of unwind tables and omit-frame-pointer.
1779         * config/i386/i386.c (override_options): Similarly.  Enable
1780         accumulate-outgoing-args if not explicitly disabled.
1781
1782 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
1783
1784         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1785         Handle big endian vs. small endian.
1786         (vec_initv2sf): Handle big endian vs. small endian.
1787         (*vec_extractv2sf_1): Ditto.
1788
1789 2005-10-05  Dale Johannesen  <dalej@apple.com>
1790
1791         * convert.c (convert_to_real):  Don't convert
1792         (float)floor(double d) to floorf((float)d).
1793
1794 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
1795
1796         * config/arm/arm.md (insv): Use gen_int_mode in more places.
1797
1798 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
1799
1800         PR tree-optimization/18587
1801         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1802         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1803         build_vuses): Change to VEC type.
1804         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1805         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1806         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1807         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1808         (get_name_decl): New.  Return DECL_UID of base variable.
1809         (operand_build_cmp): New.  qsort comparison routine.
1810         (operand_build_sort_virtual): New.  Sort virtual build vector.
1811         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1812         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1813         (FINALIZE_BASE): Use get_name_decl.
1814         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1815         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1816         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1817         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1818         direct VEC_* manipulations.
1819         (build_ssa_operands): Call operand_build_sort_virtual.
1820         (copy_virtual_operand, create_ssa_artficial_load_stmt,
1821         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1822         with direct VEC_* manipulations.
1823         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1824         with direct VEC manipulations.
1825
1826 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
1827
1828         PR tree-optimization/21419
1829         PR tree-optimization/24146
1830         PR tree-optimization/24151
1831
1832         * c-typeck.c (readonly_error): Handle USE being lv_asm.
1833         (build_asm_expr): Call it if outputs are read-only.
1834         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1835
1836 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
1837             Paolo Bonzini  <bonzini@gnu.org>
1838
1839         PR target/23809
1840
1841         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1842         enable the instructions and not just the built-ins.
1843         * doc/invoke.texi (x86 Options): Likewise.
1844
1845 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
1846
1847         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1848
1849         * doc/invoke.texi (Option Summary): Correct spelling
1850         of -mmacosx-version-min.
1851
1852 2005-10-04  Devang Patel  <dpatel@apple.com>
1853
1854         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1855         real types.
1856
1857 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
1858
1859         * tree-vect-transform.c (vect_create_epilog_for_reduction):
1860         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1861
1862 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
1863
1864         * config/s390/s390.md ("TDSI","DP"): New mode macros.
1865         ("TE","tg"): New mode attributes.
1866         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1867         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1868         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1869         dword_mode and one for GPRmode.
1870
1871 2005-10-04  Ian Lance Taylor  <ian@airs.com>
1872
1873         PR preprocessor/13726
1874         * c-ppoutput.c (cb_include): Add comments parameter, and print out
1875         any comments passed in.
1876
1877 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1878
1879         * tree.c (annotate_with_file_line): Fix typo.
1880
1881 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1882
1883         PR ada/19382
1884         * builtins.c (fold_builtin_memcmp): When constructing the pointer
1885         type used to access data in the inlined length == 1 case, use
1886         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1887         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1888
1889 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
1890
1891         * config/i386/i386.h (TARGET_FISTTP): Enable also for
1892         TARGET_SSE3 and only for TARGET_80387.
1893         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1894         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1895         Do not depend on TARGET_80387.
1896
1897 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1898
1899         * tree.c (last_annotated_node): Change type to location_t*.
1900         (annotate_with_file_line): Reflect the change of
1901         last_annotated_node type.
1902
1903 2005-10-04  Richard Guenther  <rguenther@suse.de>
1904
1905         PR c/23576
1906         * c-decl.c (grokdeclarator): Don't write to fields
1907         of error_mark_node.
1908
1909 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
1910
1911         PR middle-end/23125
1912         * c-decl.c (finish_decl): Use set_user_assembler_name even for
1913         register variables.
1914         * varasm.c (make_decl_rtl): If a register variable does not
1915         have a set user assmbler name, error out.
1916         Decode the asmspec is now name+1 bypassing '*'.
1917
1918 2005-10-04  Steven Bosscher  <stevenb@suse.de>
1919
1920         PR tree-optimization/23049
1921         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1922         of a COND_EXPR is folded before calling fold on the whole rhs of a
1923         conditional assignment.
1924         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1925         document that a COND_EXPR may appear there.
1926
1927 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
1928
1929         PR 23445
1930         * tree-vrp.c (extract_range_from_assert): If the new numeric
1931         range created out of the assertion contradicts the existing
1932         numeric range of the ASSERT_EXPR variable, make the new range
1933         varying.
1934
1935 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1936
1937         * config/sh/sh.c (sh_register_move_cost): Add case for moving
1938         from T_REGS to FP register class.
1939
1940 2005-10-03  Richard Henderson  <rth@redhat.com>
1941
1942         PR 24135
1943         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1944         before creating a new one.
1945
1946 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
1947
1948         * config/rs6000/t-aix43 (LDFLAGS): New.
1949         * config/rs6000/t-aix52 (LDFLAGS): New.
1950
1951 2005-10-03  Ian Lance Taylor  <ian@airs.com>
1952
1953         * gimplify.c (find_single_pointer_decl_1): New static function.
1954         (find_single_pointer_decl): New static function.
1955         (internal_get_tmp_var): For a formal variable, set restrict base
1956         information if appropriate.
1957         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1958         return it.
1959         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1960         (DECL_GET_RESTRICT_BASE): Define.
1961         (SET_DECL_RESTRICT_BASE): Define.
1962         (decl_restrict_base_lookup): Declare.
1963         (decl_restrict_base_insert): Declare.
1964         (struct tree_decl_with_vis): Add based_on_restrict_p field.
1965         * tree.c (restrict_base_for_decl): New static variable.
1966         (init_ttree): Initialize restrict_base_for_decl.
1967         (copy_node_stat): Copy restrict base information.
1968         (decl_restrict_base_lookup): New function.
1969         (decl_restrict_base_insert): New function.
1970         (print_restrict_base_statistics): New static function.
1971         (dump_tree_statistics): Call print_restrict_base_statistics.
1972
1973 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
1974
1975         PR 24142
1976         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1977         case of anti-ranges.
1978
1979 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
1980
1981         PR c/18851
1982         * c-typeck.c (tagged_tu_seen): Rename to ...
1983         (tagged_tu_seen_cache): this and add val field.
1984         (comptypes): Move functional to comptypes_internal
1985         and free tagged_tu_seen.
1986         (comptypes_internal): New function and call comptypes_internal
1987         instead of comptypes. Speed up by sibcalling
1988         tagged_types_tu_compatible_p.
1989         (alloc_tagged_tu_seen): New function
1990         (free_all_tagged_tu_seen_up_to): New function.
1991         (tagged_types_tu_compatible_p): Return the val of the seen two
1992         types.
1993         Add that the two types are the same to tagged_tu_seen_base
1994         if they are and call comptypes_internal instead of comptypes.
1995         <case UNION_TYPE>: Speed up common type where the fields are
1996         in the same order.
1997         (function_types_compatible_p): Call comptypes_internal instead of
1998         comptypes.
1999         (type_lists_compatible_p): Likewise.
2000         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2001
2002 2005-10-02  Matthias Klose  <doko@debian.org>
2003
2004         * doc/invoke.texi: Fix typo and speling error.
2005
2006 2005-10-01  Richard Henderson  <rth@redhat.com>
2007
2008         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2009
2010 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
2011
2012         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2013         using --start-group and --end-group.
2014
2015 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
2016
2017         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2018         FIXME note regarding quirky semantics.
2019
2020 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
2021
2022         PR 24141
2023         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2024         non-null range as a last resort.
2025
2026 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
2027             Diego Novillo  <dnovillo@redhat.com>
2028
2029         PR 23604
2030         * tree-vrp.c (extract_range_from_assert): For !=
2031         assertions, only build an anti-range if LIMIT is a
2032         single-valued range.
2033
2034 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
2035
2036         * arm.md (movqi): On thumb when optimizing, handle loading from
2037         memory by describing this as taking a subreg of a zero-extended load
2038         into an SImode register.
2039         (movhi): Likewise.
2040
2041 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
2042
2043         * reload1.c (merge_assigned_reloads): Do not change any
2044         RELOAD_FOR_OUTPUT_ADDRESS reloads.
2045
2046 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
2047
2048         * Makefile.in (LIPO_FOR_TARGET): Define.
2049         (STRIP_FOR_TARGET): Define.
2050
2051         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2052         before creating new ones.  Do symlinks before creating the actual
2053         targets.
2054
2055         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2056         to work out which multilibs are actually being built.
2057
2058 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
2059
2060         * tree-vect-transform.c, config/ms1/ms1.md,
2061         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2062         Follow spelling conventions.
2063         * doc/invoke.texi, doc/md.texi: Fix typos.
2064
2065 2005-09-30  Andrew Macleod  <amacleod@redat.com>
2066
2067         PR tree-optimization/21430
2068         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2069         use operands, and set stmt pointer if need be.
2070         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2071         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2072         present.
2073
2074 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2075
2076         PR middle-end/24053
2077         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2078
2079 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
2080
2081         * optabs.c (expand_binop): Initialize first_pass_p.
2082
2083 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
2084
2085         PR middle-end/24109
2086         * c-decl.c (c_write_global_declarations_1): If any
2087         wrapup_global_declaration_2 call returned true, restart the loop.
2088
2089 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
2090
2091         Fix PR tree-optimization/24117
2092         * tree-ssa-structalias.c (find_func_aliases): Strip nops
2093         before considering whether to use anyoffset.
2094
2095 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2096
2097         Revert this patch:
2098
2099         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2100
2101         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2102         to order operands.
2103         (swap_commutative_operands_with_target): New.
2104
2105 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
2106
2107         PR c/21419
2108         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2109         read-only.
2110
2111 2005-09-29  Steven Bosscher  <stevenb@suse.de>
2112
2113         PR tree-optimization/23911
2114         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2115         and IMAGPART_EXPR too.
2116
2117 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
2118
2119         PR 17886
2120         * expmed.c (expand_shift): Move logic to reverse rotation
2121         direction when  rotating by constants ...
2122         * optabs.c (expand_binop): ... here.
2123         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2124         (ix86_rotrdi3): New pattern.
2125         (rotldi3): Handle 32-bit mode.
2126         (ix86_rotldi3): New pattern.
2127
2128 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
2129
2130         PR target/24102
2131         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2132         check for numbers that need no bit twiddle.
2133
2134 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
2135
2136         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2137         multilib to be built.
2138
2139         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2140         (stage1-start): Delete old libgcc and libunwind before moving
2141         anything into the stage directory.
2142         (stage2-start): Likewise.
2143         (stage3-start): Likewise.
2144         (stage4-start): Likewise.
2145         (stageprofile-start): Likewise.
2146         (stagefeedback-start): Likewise.
2147         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2148         header in tm_file and CPU-specific t-darwin in tmake_file.
2149         (i[34567]86-*-darwin*): Don't change tm_file.
2150         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2151         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2152         shared library stub for target OS version.
2153         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2154         (SHLIB_LINK): Don't make SHLIB_SOLINK.
2155         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2156         (libgcc_s.%.dylib): New.
2157         (LIBGCC): Define.
2158         (install-darwin-libgcc-stubs): New.
2159         (INSTALL_LIBGCC): New append.
2160         * config/i386/darwin-libgcc.10.4.ver: New.
2161         * config/i386/darwin-libgcc.10.5.ver: New.
2162         * config/i386/t-darwin: New.
2163         * config/rs6000/darwin-libgcc.10.4.ver: New.
2164         * config/rs6000/darwin-libgcc.10.5.ver: New.
2165         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2166         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2167
2168 2005-09-28  Paul Brook  <paul@codesourcery.com>
2169
2170         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2171         denormals.
2172
2173 2005-09-28  Richard Guenther  <rguenther@suse.de>
2174
2175         PR tree-optimization/23853
2176         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2177         host_integerp to verify misalignment value.
2178
2179 2005-09-28  Richard Henderson  <rth@redhat.com>
2180
2181         * builtins.c (get_builtin_sync_mode): New.
2182         (expand_builtin_sync_operation): Pass in mode argument.
2183         (expand_builtin_compare_and_swap): Likewise.
2184         (expand_builtin_lock_test_and_set): Likewise.
2185         (expand_builtin_lock_release): Likewise.
2186         (expand_builtin): Update to match.
2187
2188 2005-09-28  Nick Clifton  <nickc@redhat.com>
2189
2190         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2191         formatting.  Add check to PLUS case to ensure that the offset is
2192         within an acceptable range.
2193
2194         * config/v850/v850.md (casesi): Disable the generation of the
2195         switch pattern as it is not being handled properly at the moment.
2196
2197         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2198         for when the high words are identical.
2199
2200 2005-09-27  Richard Henderson  <rth@redhat.com>
2201
2202         * pretty-print.c (pp_base_format): Fix typo for %>.
2203
2204 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
2205             Devang Patel  <dpatel@apple.com>
2206
2207         PR tree-optimization/23625
2208         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2209         LABEL_EXPR, assertion check.
2210
2211 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
2212
2213         * optabs.c (no_conflict_move_test): Check if a result of a
2214         to-be-moved insn would be clobbered by an originally
2215         preceding insn.
2216
2217 2005-09-27  Jeff Law  <law@redhat.com>
2218
2219         * passes.c (init_optimization_passes): Replace copy propagation
2220         passes immediately after DOM with phi-only copy propagation
2221         pases.  Add phi-only copy propagation pass after first DOM pass.
2222         * tree-pass.h (pass_phi_only_copy_prop): Declare.
2223         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2224         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2225         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
2226         to init_copy_prop.  Callers updated.
2227         (do_phi_only_copy_prop): New function.
2228         (pass_phi_only_copy_prop): New pass descriptor.
2229
2230 2005-09-27  Nick Clifton  <nickc@redhat.com>
2231
2232         * libgcc2.c (__popcount_tab): Remove redundant prototype.
2233
2234 2005-09-26  Jason Merrill  <jason@redhat.com>
2235
2236         PR c++/13764
2237         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2238
2239         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2240
2241 2005-09-26  James E Wilson  <wilson@specifix.com>
2242
2243         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2244         copyright.  Add gcc copyright plus libgcc exception.
2245         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
2246         copyright.
2247         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2248
2249 2005-09-26  Jeff Law  <law@redhat.com>
2250
2251         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2252         about when to iterate.
2253
2254 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
2255
2256         PR target/23847
2257         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2258         for __complex__ double in -mcpu=G5 mode.
2259
2260 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
2261
2262         PR tree-optimization/23942
2263         * Makefile.in (SCEV_H): Depends on PARAMS_H.
2264         * tree-scalar-evolution.c: Include params.h.
2265         (t_bool): New enum.
2266         (follow_ssa_edge, follow_ssa_edge_in_rhs,
2267         follow_ssa_edge_in_condition_phi_branch,
2268         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2269         Change return type to t_bool.  Use a parameter to limit the size of
2270         trees that are walked before stopping
2271         (analyze_evolution_in_loop): Initialize the limit to 0.
2272         (follow_ssa_edge): Give up by returning t_dont_know if the limit
2273         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2274
2275 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2276
2277         PR middle-end/23831
2278         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2279         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2280
2281 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
2282
2283         * combine.c (make_extraction): Check for valid use of subreg.
2284
2285 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
2286
2287         PR target/24055
2288         * config/i386/i386.md ("*fistdi2_1"): New pattern.
2289         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2290         ("fist<mode>2_with_temp"): Use only register operands.
2291
2292 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
2293
2294         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2295         CALL_INSN_FUNCTION_USAGE.
2296
2297 2005-09-26  Richard Guenther  <rguenther@suse.de>
2298
2299         PR middle-end/15855
2300         * gcse.c: Include hashtab.h, define ldst entry hashtable.
2301         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2302         (ldst_entry): Use the hashtable instead of list-walking.
2303         (find_rtx_in_ldst): Likewise.
2304         (free_ldst_entry): Free the hashtable.
2305         (compute_ld_motion_mems): Create the hashtable.
2306         (trim_ld_motion_mems): Remove entry from hashtable if
2307         removing it from list.
2308         (compute_store_table): Likewise^2.
2309         (store_motion): Free hashtable in case we did not see
2310         any stores.
2311
2312 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
2313
2314         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2315         and arg1 if we are passing them to fold_build2.
2316
2317 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
2318
2319         PR 23828
2320         * config/i386/i386.c (ix86_function_regparm): Fix the test for
2321         a nested function.
2322
2323 2005-09-25  Richard Henderson  <rth@redhat.com>
2324
2325         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2326         SYMBOL_REF_TLS_MODEL to be correct.
2327
2328 2005-09-24  Richard Henderson  <rth@redhat.com>
2329
2330         * ipa-type-escape.c (discover_unique_type): Remove dead code at
2331         end of function.  Reindent.
2332
2333 2005-09-24  Ian Lance Taylor  <ian@airs.com>
2334
2335         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2336         NEGATE_EXPR/BIT_NOT_EXPR case.
2337
2338 2005-09-24  Richard Henderson  <rth@redhat.com>
2339
2340         * c-common.c (handle_mode_attribute): When not modifying in place,
2341         create subtypes for enumerations.
2342         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2343         * gimplify.c (create_tmp_from_val): Likewise.
2344
2345 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
2346
2347         * config/i386/i386.md (*tls_global_dynamic_64,
2348         *tls_local_dynamic_base_64): Add missing mode to call.
2349         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2350
2351 2005-09-24  Jan Hubicka  <jh@suse.cz>
2352
2353         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2354         (cgraph_clone_node): Likewise.
2355         * cgraph.h (cgraph_clone_edge): Update prototype.
2356         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2357         duplicated prototypes; add updating argument.
2358         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2359         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2360         updating profile.
2361         (cgraph_mark_inline_edge): Likewise.
2362         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2363         (cgraph_flatten_node): Likewise.
2364         (cgraph_decide_recursive_inlining): Likewise.
2365         (cgraph_decide_inlining_of_small_function): Likewise.
2366         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2367
2368 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2369             Pete Steinmetz <steinmtz@us.ibm.com>
2370
2371         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2372         (rldic.): Set type to "compare".
2373         (rldicr.): Same.
2374         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
2375         mfjmpr for MFCTR/MFLR.
2376         (movdf_hardfloat64): Same.
2377         (movdf_softfloat64): Same.  Correct order of store and move types.
2378         (movti_string): Set type to store_ux/load_ux.
2379         (load_multiple): Set type to load_ux.
2380         (store_multiple): Set type to store_ux.
2381         (movmemsi): Set type to store_ux.
2382         (output_cbranch direct_return): Set type to jmpreg.
2383         (stmw): Set type to store_ux.
2384         (lmw): Set type to load_ux.
2385         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2386         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2387         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2388         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2389         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2390         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2391         (rios1-fpstore): Increase latency to 3.
2392         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2393         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2394
2395 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
2396             Andrew Pinski  <pinskia@physics.uc.edu>
2397
2398         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2399         operand2 constraint to "b".
2400         (sync_<fetchop_name>di_internal): Same.
2401         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2402         to "b".
2403         (sync_old_<fetchop_name>di_internal): Same.
2404         (sync_new_<fetchop_name>si_internal): Same.
2405         (sync_new_<fetchop_name>di_internal): Same.
2406
2407 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
2408
2409         PR middle-end/23991
2410         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2411         case, define as macros.
2412
2413         PR rtl-optimization/23837
2414         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
2415         clobber / clobber match between dest and p->first.
2416
2417         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2418         (no_conflict_move_test): Update comments.
2419
2420 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2421
2422         * doc/install.texi: Update URL for Jacks.
2423         * doc/sourcebuild.texi: Likewise.
2424
2425 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
2426
2427         PR target/24007
2428         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2429         registers when choosing register preferences.
2430         (movdf_hardfloat64): Same.
2431
2432 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
2433
2434         * expmed.c (expand_shift): Don't use the target of the rotate as
2435         target for the first expanded shift insn.
2436         * testsuite/gcc.dg/20050922-1.c: Testcase added.
2437
2438 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
2439
2440         PR tree-optimization/22438
2441         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2442         preserved iv rhs rewriting specially.
2443
2444 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
2445
2446         * tree-data-ref.c (analyze_array_indexes): Only estimate when
2447         estimate_only  is true.
2448         * tree-flow.h (ref_contains_indirect_ref): New prototype.
2449         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2450         tree-ssa-structalias.c
2451         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2452         ref_contains_indirect_ref.
2453         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2454
2455 2005-09-21  DJ Delorie  <dj@redhat.com>
2456
2457         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2458         MASK_PTR_A0D0.
2459         (mn10300_return_in_memory): Support variable size types also.
2460         (mn10300_pass_by_reference): Likewise.
2461         (mn10300_function_value): New.
2462         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2463         (FUNCTION_OUTGOING_VALUE): Likewise.
2464         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2465         * doc/invoke.texi: Document it.
2466
2467 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
2468
2469         PR target/22585
2470         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2471         force integer op1 into register for XFmode compares.
2472
2473 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2474
2475         PR middle-end/23971
2476         * expmed.c (alg_code): Add alg_impossible.
2477         (alg_hash_entry): Add cost.
2478         (synth_mult): Record alg_impossible in the hash table if
2479         multiplication by a given integer is impossble within the
2480         limit.  Speed up using alg_impossible.
2481
2482 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2483
2484         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2485         argument.  Allow and set any offset if needs_anyoffset is passed
2486         in.
2487         (get_constraint_for): Add argument here too.
2488         Pass it down.
2489         (do_structure_copy): Pass NULL to get_constraint_for.
2490         (handle_ptr_arith): Ditto.
2491         (find_func_aliases): Ditto.
2492
2493 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
2494
2495         PR rtl-optimization/23898
2496         * output.h (get_attr_min_length): Declare.
2497         * final.c (get_attr_length_1): New function, broken out of:
2498         (get_attr_length).
2499         (get_attr_min_length): New function.
2500         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2501         (duplicate_computed_gotos): Likewise.
2502         * genattr.c (insn_min_length): Generate declaration.
2503         * genattrtab.c (min_fn, min_attr_value): New functions.
2504         (make_length_attrs): Generate insn_min_length.
2505
2506 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
2507
2508         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2509
2510 2005-09-20  Richard Henderson  <rth@redhat.com>
2511
2512         PR tree-optimization/24059
2513         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2514         EXPAND_STACK_PARM.
2515
2516 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
2517
2518         * c.opt (fextended-identifiers): New.
2519         * c-opts.c (c_common_handle_option): Handle
2520         -fextended-identifiers.
2521         * doc/cpp.texi: Update documentation of extended identifiers.
2522         * doc/cppopts.texi (-fextended-identifiers): Document.
2523
2524 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
2525
2526         PR tree-optimization/23929
2527         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2528         if expr is NULL.
2529
2530         PR tree-optimization/23818
2531         * tree-stdarg.c (execute_optimize_stdarg): Call
2532         calculate_dominance_info.
2533
2534 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
2535
2536         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2537         (analyze_siv_subscript_cst_affine): Add weak SIV test.
2538         (compute_overlap_steps_for_affine_1_2): Use
2539         get_number_of_iters_for_loop.
2540         (analyze_subscript_affine_affine): Check whether difference is
2541         zero first.
2542         Use get_number_of_iters_for_loop.
2543         Check whether overlap occurs outside of bounds.
2544         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2545
2546 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
2547
2548         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2549         base register if possible.
2550
2551 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
2552
2553         PR tree-optimization/18463
2554         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2555         converting it directly is not possible.
2556         (chrec_convert_aggressive): New function.
2557         * tree-chrec.h (chrec_convert_aggressive): Declare.
2558         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2559         Fold chrec conversions aggressively if asked to.
2560         (instantiate_parameters): Modified because of changes in
2561         instantiate_parameters_1.
2562
2563 2005-09-19  Richard Henderson  <rth@redhat.com>
2564
2565         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2566         (reduc_splus_v2df): New.
2567
2568 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
2569
2570         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2571         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
2572
2573 2005-09-19  Richard Henderson  <rth@redhat.com>
2574
2575         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2576         vcondu<SSEMODE12>.
2577
2578 2005-09-19  Richard Henderson  <rth@redhat.com>
2579
2580         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2581         (ia64_expand_dot_prod_v8qi): New.
2582         * config/ia64/ia64-protos.h: Update.
2583         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2584         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2585         sdot_prodv8qi, sdot_prodv4hi): New.
2586         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2587
2588 2005-09-19  Richard Henderson  <rth@redhat.com>
2589
2590         PR 23941
2591         * real.c (exact_real_truncate): Return false if the format cannot
2592         represent the number as a normal.
2593
2594         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2595         for a memory source.
2596
2597 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
2598
2599         * tree-ssa-operands.c (swap_tree_operands): Export.
2600         * tree.h (swap_tree_operands): Declare.
2601         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2602         Call swap_tree_operands.
2603
2604 2005-09-19  Richard Henderson  <rth@redhat.com>
2605
2606         * tree-flow.h (merge_alias_info): Declare.
2607         * tree-ssa-copy.c (merge_alias_info): Export.
2608         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2609         (vect_create_data_ref_ptr): Use create_iv directly.
2610         (vectorizable_load): Use correct types for integer constants.
2611         (vect_generate_tmps_on_preheader): Likewise.
2612         (vect_gen_niters_for_prolog_loop): Likewise.
2613
2614 2005-09-19  Steven Bosscher  <stevenb@suse.de>
2615
2616         PR rtl-optimization/23943
2617         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2618
2619 2005-09-18  Jan Hubicka  <jh@suse.cz>
2620
2621         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2622
2623 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
2624
2625         * varasm.c (output_constant): Do not abort on conversions to union
2626         types between different sizes.
2627
2628 2005-09-18  Richard Guenther  <rguenther@suse.de>
2629
2630         PR middle-end/23944
2631         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2632         fallback.
2633
2634 2005-09-18  Paul Brook  <paul@codesourcery.com>
2635
2636         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2637
2638 2005-09-17  Richard Henderson  <rth@redhat.com>
2639
2640         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2641         * tree-ssa-loop.c (pass_vect_dce): Remove.
2642         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2643         of pass_vectorize.
2644
2645 2005-09-17  Richard Henderson  <rth@redhat.com>
2646
2647         * tree-pass.h (pass_vect_dce): Declare.
2648         * passes.c (init_optimization_passes): Add it.
2649         * tree-flow.h (tree_ssa_dce): Declare.
2650         * tree-ssa-dce.c (tree_ssa_dce): Export.
2651         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2652         (gate_tree_vectorize): ... here.
2653         (pass_vect_dce): New.
2654
2655 2005-09-17  Jan Hubicka  <jh@suse.cz>
2656
2657         * except.c (struct eh_status): Turn region_array into vec.
2658         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2659         convert_from_eh_region_ranges, find_exception_handler_labels,
2660         current_function_has_exception_handlers, assign_filter_values,
2661         build_post_landing_pads, dw2_build_landing_pads,
2662         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2663         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2664         foreach_reachable_handler, can_throw_internal_1,
2665         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2666         region_array.
2667         (duplicate_eh_region_1): Update region_array.
2668         (duplicate_eh_regions): Resize region_array and avoid recomputing.
2669
2670 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
2671
2672         PR middle-end/22067
2673         * expmed.c (expand_mult): Substitute simple register for op0 when
2674         computing max_cost.
2675
2676 2005-09-17  Richard Henderson  <rth@redhat.com>
2677
2678         * expr.c (emit_move_via_integer): Add force argument, pass it on
2679         to emit_move_change_mode.  Update callers.
2680         (emit_move_complex): Pass true to new force argument.
2681         * function.c (expand_function_end): Move expand_eh_return call
2682         earlier.  Merge sub-word complex values into a pseudo before
2683         copying to the return hard register.
2684
2685 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
2686
2687         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2688         between different sizes.
2689
2690 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
2691
2692         PR 23903
2693
2694         * passes.c (init_optimization_passes): Register dump files for
2695         IPA passes first.
2696
2697 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2698
2699         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2700         * config/s390/s390.c (s390_overlap_p): New function.
2701         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2702         peephole2, "*xc" peephole2): Added overlap check to the peephole2
2703         condition.
2704
2705 2005-09-16  Richard Guenther  <rguenther@suse.de>
2706
2707         * ipa-pure-const.c (static_execute): Free auxiliar information.
2708         * ipa-type-escape.c (discover_unique_type): Free temporary key.
2709         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2710
2711 2005-09-15  DJ Delorie  <dj@redhat.com>
2712
2713         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2714
2715 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
2716
2717         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2718         to order operands.
2719         (swap_commutative_operands_with_target): New.
2720
2721 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
2722
2723         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2724         parameter.
2725         Update callers.
2726         (estimate_iters_using_array): New function.
2727         * tree-data-ref.h (estimate_iters_using_array): Prototype
2728         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2729         Use estimate_iters_using_array instead of analyze_array.
2730
2731 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
2732
2733         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2734         as addressable.
2735
2736 2005-09-15  Michael Matz  <matz@suse.de>
2737
2738         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2739
2740 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
2741
2742         PR tree-optimization/23835
2743         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2744         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2745
2746 2005-09-14  Richard Henderson  <rth@redhat.com>
2747
2748         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2749         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2750
2751 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
2752
2753         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2754         in the ARRAY_TYPE case.
2755
2756 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
2757
2758         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2759
2760 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
2761
2762         PR middle-end/22480
2763         * tree-vect-transform.c (vectorizable_operation): Return false for
2764         scalar shift operations and for vector shift operations with
2765         non-invariant shift arguments.  Use scalar tree operand op1 as
2766         a shift operand when vector shift insn pattern uses scalar shift
2767         operand.
2768         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2769
2770 2005-09-14  Olivier Hainque  <hainque@adacore.com>
2771
2772         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2773         value if it has side-effects.
2774
2775 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
2776
2777         PR target/22068
2778         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2779
2780 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
2781
2782         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2783         passed as NAME as if it were label at start of function code.
2784
2785 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
2786
2787         * config/sh/sh.md (*movv4sf_i): Add general register cases to
2788         the constraints.
2789
2790 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
2791
2792         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2793         as early clobber.  Rewrite so the PIC register is not implicitly used.
2794
2795 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2796
2797         * tree.c (annotate_with_file_line): Compare line numbers before
2798         file names.
2799
2800 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
2801
2802         PR target/23816
2803         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2804         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2805
2806 2005-09-13  Ian Lance Taylor  <ian@airs.com>
2807
2808         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2809         than a HOST_WIDEST_INT to gen_doloop_begin.
2810
2811 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
2812
2813         * tree-dfa.c (dump_variable): Guard against NULL annotations.
2814
2815 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
2816
2817         PR tree-optimize/23817
2818         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2819
2820 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
2821
2822         PR target/23774
2823         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2824         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
2825         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2826         (restore_stack_nonlocal): Likewise.
2827         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2828
2829 2005-09-12  Ian Lance Taylor  <ian@airs.com>
2830
2831         PR g++/7874
2832         * c.opt (ffriend-injection): New C++ option.
2833         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2834         (C++ Dialect Options): Document -ffriend-injection.
2835
2836 2005-09-12  Josh Conner  <jconner@apple.com>
2837
2838         PR middle-end/23237
2839         * ipa-reference.c (static_execute): Don't mark variables in
2840         named sections TREE_READONLY.
2841
2842 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2843
2844         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2845         stack_tie.
2846
2847 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
2848
2849         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2850         V_MUST_DEF instead of just the first_use_p.
2851         Don't mark the virtual variables for renaming on the statement which
2852         is being removed.
2853         (pass_dse): Remove TODO_update_ssa.
2854
2855 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
2856
2857         PR middle-end/23290
2858         * stor-layout.c (compute_record_mode): For records with a single
2859         field, actually check the field's mode size against the type size.
2860
2861         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2862         registers for TARGET_SHMEDIA.
2863         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2864         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
2865         of GENERAL_REGS and FP_REGS.
2866
2867 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2868
2869         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2870
2871 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
2872
2873         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2874         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2875         are omitted.  Exclude stack_tie insn too.
2876
2877 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
2878
2879         PR rtl-optimization/23098
2880         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2881         0.0f is easy.
2882         * config/rs6000/rs6000.md (movdf splitter): Use
2883         const_double_operand predicate for TARGET_POWERPC64.
2884         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2885         SYMBOL_REF method to ABI_V4.
2886
2887         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2888         replace_equiv_address.
2889         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2890         rs6000_sr_alias_set and MEM_NOTRAP.
2891         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2892
2893 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
2894
2895         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2896         handle CALL_EXPR again.
2897
2898 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2899
2900         * arm/predicates.md (alignable_memory_operand): Delete.
2901
2902 2005-09-10  Richard Henderson  <rth@redhat.com>
2903
2904         PR debug/23806
2905         * dbxout.c (dbxout_expand_expr): New.
2906         (dbxout_symbol): Use it.
2907
2908 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
2909
2910         * arm.c (arm_gen_rotated_half_load): Delete.
2911         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2912         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2913         (thumb_set_return_address): Likewise.
2914         (thumb_load_double_from_address): Use adjust_address.
2915         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2916         (extendhsisi2_mem, movhi_bytes): Use change_address.
2917         (movhi): Use widen_memory_access.
2918         (reload_out_df): Use replace_equiv_address.
2919         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2920
2921 2005-09-09  Richard Henderson  <rth@redhat.com>
2922
2923         PR debug/20998
2924         * dbxout.c: Include expr.h.
2925         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2926         (dbxout_symbol): Handle DECL_VALUE_EXPR.
2927         * Makefile.in (dbxout.o): Add EXPR_H.
2928
2929 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
2930
2931         PR tree-optimization/23509
2932         * tree-cfg.c (replace_uses_by): Use replace_exp.
2933         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2934         pointers have name_mem_tag or type_mem_tag set.
2935
2936 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2937
2938         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2939         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2940         of wrongly accessing operands.
2941
2942 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
2943
2944         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2945         * tree-chrec.c: Include tree-scalar-evolution.h.
2946         (chrec_convert): Instantiate the base and step before calling
2947         scev_probably_wraps_p that would fail on parametric evolutions.
2948         Collect all the fails into a single section failed_to_convert,
2949         print a diagnostic, and return chrec_dont_know instead of calling
2950         fold_convert.
2951         * tree-scalar-evolution.c (loop_closed_phi_def): New.
2952         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2953         phi nodes.
2954         (scev_const_prop): Don't replace the definition of a loop closed ssa
2955         phi node by itself, or by another loop closed ssa phi node.
2956         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2957         that base and step are defined.
2958
2959 2005-09-09  Richard Guenther  <rguenther@suse.de>
2960
2961         PR c++/23624
2962         * fold-const.c (fold_ternary): Check truth_value_p before
2963         calling invert_truthvalue.
2964
2965 2005-09-09  Nick Clifton  <nickc@redhat.com>
2966
2967         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2968         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2969         dimension of these arrays.
2970         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2971         these arrays.
2972         * longlong.h: Only provide a prototype for the __clz_tab[] array
2973         if this header has not been included from libgcc2.h.
2974         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2975         defining own types.
2976         Provide prototypes for exported functions.
2977         Use the __clz_tab[] and __popcount_tab[] arrays provided by
2978         libgcc2.c.
2979
2980 2005-09-08  Josh Conner  <jconner@apple.com>
2981
2982         PR c++/21135
2983         PR c++/23180
2984         * expr.c (expand_expr_addr_expr_1): Don't invoke
2985         expand_simple_binop for EXPAND_INITIALIZER.
2986
2987 2005-09-08  Richard Henderson  <rth@redhat.com>
2988
2989         PR debug/23190
2990         * toplev.c (wrapup_global_declaration_1): Split out ...
2991         (wrapup_global_declaration_2): ... from ...
2992         (wrapup_global_declarations): ... here.  Return bool.
2993         (check_global_declaration_1): Split out ...
2994         (check_global_declarations): from here.
2995         (emit_debug_global_declarations): New.
2996         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2997         check_global_declaration_1, emit_debug_global_declarations): Declare.
2998         * c-decl.c (c_write_global_declarations_1): Don't create a vector
2999         of decls.  Call wrapup_global_declaration_1,
3000         wrapup_global_declaration_2, check_global_declaration_1 directly.
3001         (c_write_global_declarations_2): New.
3002         (ext_block): New.
3003         (c_write_global_declarations): Call c_write_global_declarations_2.
3004         * langhooks.c (write_global_declarations): Call
3005         emit_debug_global_declarations.
3006
3007         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3008         remove decls that have DECL_RTL_SET_P.
3009         * passes.c (rest_of_decl_compilation): Invoke
3010         cgraph_varpool_finalize_decl for all but functions.
3011
3012 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3013
3014         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3015         the result of a conversion if the new min and max cannot be compared.
3016
3017 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
3018
3019         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3020         (override_options): Setting s390_sr_alias_set removed.
3021         (save_fpr, save_gprs): Set alias set to vararg or frame.
3022         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3023         s390_sr_alias_set with get_frame_alias_set ().
3024         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3025         get_varargs_alias_set ().
3026
3027 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3028
3029         PR objc/20574
3030         PR objc/19324
3031         * c-parser.c (c_parser_objc_method_definition): If the next
3032         token is not "{", error out and don't start the function.
3033
3034 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
3035
3036         * tree-vrp.c (extract_range_from_expr): Move the check for non
3037         nullness after the check for gimple invariant.
3038
3039 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3040
3041         * tree.c (host_integerp, tree_low_cst): Correct function comment.
3042
3043 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3044
3045         PR target/23747
3046         * config/m32r.md (movmemsi_internal): Canonicalize order of
3047         operands in PLUS component of template.
3048
3049 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3050
3051         * reload1.c (fixup_eh_region_note): Remove assertion.
3052         (fixup_abnormal_edges): Reverted removal of call to
3053         find_many_sub_basic_blocks made on 2005-08-31.
3054
3055 2005-09-07  Richard Henderson  <rth@redhat.com>
3056
3057         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3058         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3059         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3060         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3061         rearrange for better packing.
3062         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3063         (lookup_cfa_1): Remove inline marker.
3064         (cfa_equal_p): Split out of ...
3065         (def_cfa_1): ... here.  Use INVALID_REGNUM.
3066         (build_cfa_loc): Handle !cfa->indirect.
3067         (frame_pointer_cfa_offset): New.
3068         (dbx_reg_number): Assert register elimination performed; do
3069         leaf register remapping.
3070         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3071         (eliminate_reg_to_offset): New.
3072         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
3073         for verifiably local stack frame addresses; re-base to CFA.
3074         (mem_loc_descriptor): Remove can_use_fbreg argument.
3075         (concat_loc_descriptor, loc_descriptor): Likewise.
3076         (containing_function_has_frame_base): Remove.
3077         (rtl_for_decl_location): Don't do register elimination or
3078         leaf register remapping here.
3079         (secname_for_decl): Split out from ..
3080         (add_location_or_const_value_attribute): ... here.
3081         (convert_cfa_to_loc_list): New.
3082         (compute_frame_pointer_to_cfa_displacement): New.
3083         (gen_subprogram_die): Use them.
3084         * tree.h (frame_base_decl): Remove.
3085         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3086         (prologue_stack_adjust): Remove.
3087         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3088         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3089         (set_frame_base_location): Remove.
3090         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3091         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3092         (vt_add_function_parameters): Don't eliminate_regs.
3093         (vt_initialize): Don't create frame_base_decl.
3094
3095 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3096
3097         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3098         version of GNU binutils for 4.x and later.
3099
3100 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
3101
3102         * ggc-page.c (ggc_push_context): Remove.
3103         (ggc_pop_context): Likewise.
3104         * ggc.h (ggc_push_context): Remove.
3105         (ggc_pop_context): Likewise.
3106
3107 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3108
3109         PR target/8973
3110         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3111         returning from an interrupt handler.
3112
3113 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3114
3115         PR target/8972
3116         * config/arc/arc.c (output_shift): Add check for loop count when
3117         optimizing.
3118
3119 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3120
3121         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3122         form manually.
3123         (abs_replacement): Likewise.
3124         (pass_phiopt): Remove TODO_update_ssa.
3125
3126 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3127
3128         PR c/23075
3129         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3130         if "return with no value, in function returning non-void" warning
3131         has been issued.
3132         * tree-cfg.c (execute_warn_function_return): Don't look at
3133         RETURN_EXPRs with TREE_NO_WARNING set.
3134
3135         PR target/22362
3136         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3137         for internal functions doesn't use registers used by global registers
3138         variables.  Use fewer register parameters if there are global register
3139         variables.
3140
3141 2005-09-06  Olivier Hainque  <hainque@adacore.com>
3142             Eric Botcazou  <ebotcazou@adacore.com>
3143
3144         PR middle-end/14997
3145         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3146         when we would be extracting outside its bit span (bitpos+bitsize
3147         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3148         Ada unchecked conversions.
3149
3150 2005-09-06  Steven Bosscher  <stevenb@suse.de>
3151
3152         * tree-ssa-pre.c (try_look_through_load): New function.
3153         (compute_avail): Use it to try to look through loads for some
3154         more useful expressions.
3155
3156 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
3157
3158         * simplify-rtx.c (simplify_binary_operation_1): Correct the
3159         condition for detecting cases like (a&a) and (a^a).
3160
3161 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
3162
3163         * common.opt: Add option ftree-vect-loop-version.
3164         * params.def: Add --param vect-max-version-checks.
3165         * doc/invoke.texi: Document ftree-vect-loop-version and
3166         --param vect-max-version-checks.
3167         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3168         may_misalign_stmts and defines for accessors.
3169         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3170         LOOP_VINFO_MAY_MISALIGN_STMTS.
3171         (destroy_loop_vec_info): VEC_free for
3172         LOOP_VINFO_MAY_MISALIGN_STMTS.
3173         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3174         Update documentation.
3175         (vect_update_misalignment_for_peel): New.
3176         (vect_enhance_data_refs_alignment): Update to choose loop
3177         peeling or loop versioning if appropriate for the (potentially)
3178         unaligned data references in the loop.
3179         (vect_analyze_data_refs_alignment): Remove call to
3180         vect_enhance_data_refs_alignment so the checks can be done
3181         earlier.
3182         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3183         and move up call to vect_analyze_data_refs_alignment.
3184         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3185         (vect_transform_loop): Add call to loop_version.
3186
3187 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
3188
3189         PR rtl-optimization/23098
3190         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3191         * simplify-rtx.c (constant_pool_reference_p): New function.
3192         * rtl.h (constant_pool_reference_p): New prototype.
3193         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3194         constant_pool_reference_p in condition and
3195         avoid_constant_pool_reference in preparation statements.
3196
3197 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3198
3199         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3200         STRICT_LOW_PART SETs.
3201
3202 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
3203
3204         PR middle-end/21460
3205         * except.c (sjlj_emit_function_enter): Find the function begin
3206         note even when it's not in first basic block.
3207
3208 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
3209
3210         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
3211         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3212         * aclocal.m4: Regenerate.
3213
3214 2005-09-05  DJ Delorie  <dj@redhat.com>
3215
3216         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3217         of macro.
3218
3219 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
3220
3221         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3222         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3223         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3224         Follow spelling conventions.
3225         * doc/invoke.texi: Follow spelling conventions.
3226
3227 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3228
3229         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3230         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3231         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3232
3233 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
3234
3235         PR target/23683
3236         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3237         (output_stack_adjust): Use gen_tmp_stack_mem.
3238         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3239         (sh_set_return_address, sh_allocate_initial_value): Likewise.
3240         (sh_get_pr_initial_val): Likewise.
3241         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3242         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
3243         * sh.md (divsi_inv_m0): Use gen_const_mem.
3244         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3245         (movdf_i4+1): Use gen_tmp_stack_mem.
3246         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3247         (fpu_switch+2): Likewise.
3248         (movv4sf_i, movv16sf_i): Use adjust_address.
3249         (symGOT_load): Set MEM_NOTRAP_P bit.
3250
3251 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3252
3253         PR target/23721
3254         * pa.c (emit_move_sequence): Fix typo in last change.
3255
3256 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
3257
3258         PR rtl-optimization/23454
3259         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3260         is true.
3261
3262 2005-09-03  Richard Henderson  <rth@redhat.com>
3263             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3264
3265         PR middle-end/23671
3266         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3267         gen_rtx_MEM.
3268
3269 2005-09-02  Nicolas Pitre <nico@cam.org>
3270
3271         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3272         to bit_count to 32 bits.
3273
3274 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
3275
3276         PR c++/23167
3277         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3278         generating synthetic loads from volatile lvalues.
3279
3280 005-09-02  Nick Clifton  <nickc@redhat.com>
3281
3282         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3283         __ctzhi2, __clzhi2): New functions.
3284
3285 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
3286
3287         PR middle-end/23547
3288         * tree-nested.c (struct var_map_elt): Mark with GTY.
3289         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
3290         var_map_elt.
3291         (lookup_field_for_decl): Allocate new element in GC memory.
3292         (lookup_tramp_for_decl): Likewise.
3293         (convert_nl_goto_reference): Likewise
3294         (create_nesting_tree): Allocate info in GC memory. Likewise for
3295         info->var_map.
3296         (free_nesting_tree): Free with ggc_free instead of free.
3297         (root): New static variable.
3298         (lower_nested_functions): Remove root as local variable.  And zero out
3299         root at the end of the function.
3300
3301 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
3302
3303         PR rtl-optimization/20365
3304         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3305         to short.  New member ix.
3306         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3307         (simplify_plus_minus): Initialize ix members before calling qsort.
3308
3309 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
3310
3311         PR tree-optimization/23626
3312         * tree-cfg.c (replace_uses_by): Clean up eh info.
3313
3314 2005-09-01  DJ Delorie  <dj@redhat.com>
3315
3316         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3317         fprintf.
3318
3319 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
3320
3321         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3322         (rs6000_split_multireg_move): Use replace_equiv_address instead of
3323         gen_rtx_MEM.
3324
3325 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
3326
3327         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
3328         do not issue warning for a variable definition following
3329         a declaration.
3330
3331 2005-09-01  Richard Henderson  <rth@redhat.com>
3332
3333         PR 23668
3334         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3335         conversion to CONST_VECTOR.
3336
3337 2005-09-01  Richard Henderson  <rth@redhat.com>
3338
3339         PR 23676
3340         * reload1.c (reload_as_needed): Check !CALL_P before calling
3341         fixup_eh_region_note.
3342         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3343
3344 2005-09-01  DJ Delorie  <dj@redhat.com>
3345
3346         * varasm.c (output_constant): Let the target resolve
3347         conversions of addresses to non-default pointer sizes.
3348
3349 2005-09-01  Nicolas Pitre <nico@cam.org>
3350
3351         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3352         to alow matching ARM pre-indexed addressing mode.
3353         (arm_override_options): Remove now irrelevant comment.
3354
3355 2005-09-01  Phil Edwards  <phil@codesourcery.com>
3356
3357         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
3358         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
3359         * config/i386/vxworks.h:  Likewise.
3360         * config/i386/t-vxworksae:  New file, for VxWorks AE.
3361         * config/i386/vxworksae.h:  Likewise.
3362
3363 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
3364
3365         PR tree-optimization/23410
3366         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3367         sequence is not wrapping during the first step.
3368
3369 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3370
3371         PR debug/7241
3372         * dwarf2out.c (base_type_die): Compare char_type_node with
3373         TYPE_MAIN_VARIANT (type), not type.
3374
3375 2005-09-01  Richard Guenther  <rguenther@suse.de>
3376
3377         PR tree-optimization/15366
3378         * common.opt: Add -finline-functions-called-once.
3379         Put -fearly-inlining in alphabetically ordered place.
3380         * doc/invoke.texi: Document new option.
3381         * ipa-inline.c (cgraph_decide_inlining): Honour
3382         flag_inline_functions_called_once.
3383
3384 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
3385
3386         PR rtl-optimization/23478
3387         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3388         (alloc_qty): Initialize it.
3389         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3390         (combine_regs): Combine also n_throwing_calls_crossed fields.
3391         (find_free_reg): Don't attempt to caller-save pseudos crossing
3392         calls that might throw.
3393         * global.c (struct allocno): Add throwing_calls_crossed field.
3394         (global_alloc): Revert 2005-08-22 change.  Initialize
3395         throwing_calls_crossed.
3396         (find_reg): Don't attempt to caller-save pseudos crossing calls that
3397         might throw.
3398
3399 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
3400
3401         PR target/23649
3402         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3403         (mask64_operand): Reinstate code prior to 2005-06-11 change.
3404         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3405         (and64_2_operand): Tweak to use predicate.
3406         (and_operand): Adjust for mask_operand changes.
3407         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3408         (print_operand): Likewise.
3409         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3410         (mask64_1or2_operand): Delete.
3411         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3412         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3413         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3414         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3415         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3416         (rotldi3_internal4): Likewise.
3417         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3418         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3419         (ashldi3_internal7): Likewise.
3420         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3421         (ashldi3_internal, ashldi3_internal9 split): Likewise.
3422         (anddi3 split): Don't match mask64_operand.
3423         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
3424         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
3425         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
3426         't' splitter predicate.
3427         (movdi_internal64 + 2): Revert 2005-06-11 change.
3428
3429 2005-08-31  DJ Delorie  <dj@redhat.com>
3430
3431         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3432         (m32c_asm_integer): Add support for 32 bit pointers.
3433
3434 2005-08-31  Richard Henderson  <rth@redhat.com>
3435
3436         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3437         component-like references for setting MEM_NOTRAP_P.
3438
3439         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3440         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3441
3442 2005-08-31  Richard Henderson  <rth@redhat.com>
3443
3444         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3445         into a pseudo before applying gen_lowpart.
3446
3447 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
3448
3449         * doc/install.texi (Specific): Update cctools version required
3450         for full functionality.
3451         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3452         linkers as -macosx_version_min.
3453
3454 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
3455
3456         PR target/21255
3457         * sh.c (print_operand, %R and %S): Add handling of floating point
3458         registers, memory, constants and invalid operands.
3459
3460 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
3461
3462         * ipa-pure-const.c: Change dump name.
3463
3464 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3465
3466         PR target/23570
3467         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3468         to "reg_or_0_operand".
3469         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3470
3471 2005-08-31  Dale Johannesen  <dalej@apple.com>
3472
3473         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
3474         loops that count down.
3475
3476 2005-08-31  Richard Henderson  <rth@redhat.com>
3477
3478         PR rtl-opt/23601
3479         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3480         (fixup_eh_region_note): New.
3481         (reload_as_needed): Call it.
3482         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3483         don't call find_many_sub_basic_blocks; call verify_flow_info.
3484         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3485         (keep_stack_depressed): Likewise.
3486         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3487
3488 2005-08-31  Richard Henderson  <rth@redhat.com>
3489
3490         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3491         fp return matching.
3492
3493 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
3494
3495         * expr.c (expand_expr_real_1): Compare size of address
3496         mode to target's address mode size in deciding expansion of
3497         the constant address.
3498
3499 2005-08-31  Richard Guenther  <rguenther@suse.de>
3500
3501         PR middle-end/23477
3502         * expr.c (all_zeros_p): New function.
3503         (expand_expr_real_1): Handle the case of an all-zero
3504         non-addressable constructor separately.
3505
3506 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
3507
3508         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3509         arguments, adjust all callers.
3510         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3511
3512 2005-08-30  Richard Henderson  <rth@redhat.com>
3513
3514         PR target/23630
3515         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3516         whenever the mode sizes match.
3517
3518 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
3519
3520         * calls.c (load_register_parameters): Fix comment typo.
3521         * expr.c (emit_push_insn): Comment formatting.
3522
3523 2005-08-30  Ian Lance Taylor  <ian@airs.com>
3524
3525         * config/i386/x-cygwin (host-cygwin): Change dependency from
3526         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3527
3528 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
3529
3530         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3531         parts of 'vals'.
3532
3533 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
3534
3535         PR middle-end/23408
3536         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3537         call to ggc_collect.
3538
3539 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
3540
3541         PR bootstrap/21268
3542         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3543         beginning.  Remove $(INCLUDES) from all the rules, if following
3544         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3545
3546 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
3547
3548         PR middle-end/23484
3549         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3550         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3551         not constant, but maxlen is, don't set len to maxlen, rather
3552         set maxlen to len if len is a constant.
3553
3554 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
3555
3556         PR tree-optimization/23475
3557         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3558         and counts.
3559
3560 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
3561
3562         Fix PR middle-end/22455
3563
3564         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3565         Checksum only the parts of the tree that exist for the tree code.
3566
3567 2005-08-28  Dale Johannesen  <dalej@apple.com>
3568
3569         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
3570
3571 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
3572
3573         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3574
3575 2005-08-28  Richard Henderson  <rth@redhat.com>
3576
3577         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3578         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3579         of char_type_node.
3580
3581 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
3582
3583         PR ada/23593
3584         * builtins.c (get_memory_rtx): Don't strip nops
3585         in between COMPONENT_REFs.
3586
3587 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
3588
3589         PR middle-end/23463
3590         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3591         types.
3592         (gimplify_modify_expr): Check for zero sized types and gimplify the
3593         rhs and lhs as statements.
3594
3595 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
3596
3597         PR libgcj/23508
3598         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3599         state for return address column of signal frames.
3600
3601 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
3602
3603         PR target/23539
3604         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3605         bytes >= 2 not bytes == 2.
3606         (expand_block_move): Same.
3607
3608 2005-08-27  Richard Guenther  <rguenther@suse.de>
3609
3610         PR target/23575
3611         * config/i386/sse.md (sse2_movsd): Add missing closing
3612         braces.
3613
3614 2005-08-27  Paul Brook  <paul@codesourcery.com>
3615
3616         * genrecog.c (enum decision_type): Add DT_num_insns.
3617         (struct decision_test): Add u.num_insns.
3618         (add_to_sequence): Add DT_num_insns test.
3619         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3620         (write_cond, debug_decision_2): Ditto.
3621         (change_state): Assume peep2_next_insn never fails.
3622         Remove "afterward" argument.
3623         (write afterward, write_tree): Update to match.
3624         * recog.c (peep2_current_count): New variable.
3625         (peep2_next_insn): Check it.
3626         (peephole2_optimize): Set peep2_current_count.
3627         * recog.h (peep2_current_count): Declare.
3628
3629 2005-08-26  Josh Conner  <jconner@apple.com>
3630
3631         PR middle-end/23584
3632         * ipa-pure-const.c (check_tree): Check for volatile-ness
3633         when considering a dereference.
3634
3635 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
3636
3637         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3638
3639 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3640
3641         PR rtl-optimization/23561
3642         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
3643         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3644         at most LEN bytes long memory fits into the field.
3645         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3646         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3647         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3648
3649 2005-08-26  Richard Henderson  <rth@redhat.com>
3650
3651         PR rtl-opt/23560
3652         * loop.c (biased_biv_may_wrap_p): New.
3653         (maybe_eliminate_biv_1): Use it to suppress non-equality
3654         comparison transformations.  Delete disabled code.
3655
3656 2005-08-26  Ian Lance Taylor  <ian@airs.com>
3657
3658         * combine.c (make_extraction): Avoid reference outside object.
3659
3660 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
3661
3662         * stor-layout.c (finalize_type_size): Restore behaviour for
3663         non-aggregate types to the status quo ante of the patch for
3664         pr 23467.  Document why it matters.
3665
3666 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
3667
3668         PR c/23506
3669         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3670         array by one element, initialize the BT_LAST element with NULL.
3671
3672 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
3673
3674         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3675         optimizing for size.
3676         (plus_eqsi): Same.
3677         (compare_plus_eqsi): Same.
3678         (plus_eqsi_compare): Same.
3679         (neg_eq0<mode>): Same.
3680         (neg_eq<mode>): Same.
3681
3682         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3683         PROCESSOR_POWER4.
3684
3685 2005-08-26  Nick Clifton  <nickc@redhat.com>
3686
3687         * config/v850/v850.c (ep_memory_operand): Return FALSE if
3688         TARGET_EP is not defined.
3689         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3690         TARGET_EP is enabled.
3691         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3692         * config/v850/v850.md (save_all_interrupt): Only use the EP
3693         register if TARGET_EP is defined.
3694         (restore_all_interrupt): Likewise.
3695         * config/v850/lib1funcs.asm: Update functions so that the EP
3696         register is only used if __EP__ is defined.
3697
3698 2005-08-26  David Ung  <davidu@mips.com>
3699
3700         * config/mips/mips.c (mips_expand_prologue): Handle case when
3701         generating for MIPS16 and the outgoing argument area is more than
3702         SMALL_OPERAND. Use the frame pointer as temporary to generate the
3703         add instruction.
3704
3705 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
3706
3707         * config/crx/crx.md: Make doloop_end pattern usage controllable
3708         via mloop-nesting=<max-nesting> command line switch. Make sure
3709         the combiner cannot use doloop_end_<mode> in an illegal way.
3710         * config/crx/crx.c: Use regs up to r6 for argument passing.
3711         Refine crx_address_cost (non cst4 displacements are expensive).
3712         * config/crx/crx.opt: Add switch for mloop-nesting=.
3713
3714 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
3715
3716         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3717         (UNSPEC_MVST): New constant.
3718
3719 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
3720
3721         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3722         Reject operands containing eliminable registers.
3723         * testsuite/gcc.dg/20050825-1.c: New testcase.
3724
3725 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3726             Jan Hubicka  <jh@suse.cz>
3727
3728         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3729
3730 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3731
3732         PR tree-optimization/23546
3733         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3734         and REAL_CST nodes.
3735
3736 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
3737
3738         * params.def (PARAM_MIN_SPEC_PROB): New.
3739         * sched-rgn.c (MIN_PROBABILITY): Delete.
3740         (compute_trg_info): Convert to PARAM_VALUE.
3741         * doc/invoke.texi (param): Document min-spec-prob.
3742
3743 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
3744
3745         * config/darwin.h: define __PIC__
3746         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3747         TARGET_OS_CPP_BUILTINS macro.
3748
3749 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3750
3751         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3752         yesterday.
3753
3754 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3755
3756         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3757         to duplicate_block.
3758         * cfghooks.c (duplicate_block): Added position where to place
3759         new block as argument.
3760         * cfghooks.h (duplicate_block): Declaration changed.
3761         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
3762         duplicate_block.
3763         * cfglayout.h (copy_bbs): Declaration changed.
3764         * cfgloop.h (loop_version): Declaration changed.
3765         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3766         position to copy_bbs.
3767         (loop_version): Pass position to duplicate_loop_to_header_edge.
3768         Add place_after argument and position new blocks according to
3769         it.
3770         * modulo-sched.c (sms_schedule): Pass place_after argument
3771         to loop_version.
3772         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3773         * tree-cfg.c (split_edge_bb_loc): New function.
3774         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3775         to determine position of new blocks.
3776         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3777         to loop_version.
3778         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3779         argument to duplicate_block.
3780         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3781         Pass position to copy_bbs.
3782
3783 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
3784
3785         * fold-const.c (ptr_difference_const): Use
3786         cst_and_fits_in_hwi instead of host_integerp.
3787
3788 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
3789
3790         * config/darwin.c (gen_pic_offset): New.
3791         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
3792         Use it.
3793
3794 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
3795
3796         PR tree-optimization/23486
3797         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3798
3799 2005-08-23  Phil Edwards  <phil@codesourcery.com>
3800
3801         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
3802         remove use_collect2.
3803         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
3804
3805         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
3806         configuration files to override the default value.
3807
3808         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
3809         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3810         * config/vx-common.h:  New file, split out from...
3811         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
3812         * config/vxworksae.h:  New file, for VxWorks AE.
3813         * config/vxworks.opt:  New file.
3814         * config/vxlib.c:  Update for VxWorks 6.
3815
3816         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
3817         other MULTILIB_* variables appropriately.
3818         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
3819         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
3820         * config/rs6000/vxworks.h:  Update for VxWorks 6.
3821         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
3822
3823 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
3824
3825         PR target/20799
3826         * config/darwin.c (machopic_select_section): Remove the hack to
3827         mark "::operator new" and "::operator delete" for coalescing
3828         even though they are not weak.
3829
3830 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
3831
3832         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3833         * configure: Regenerate.
3834
3835 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
3836
3837         PR middle-end/23517
3838         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3839         between vectors.
3840         * convert.c (convert_to_integer, convert_to_vector): Likewise.
3841         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3842         Likewise.
3843
3844 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
3845
3846         * config/rs6000/predicates.md (equality_operator): New.
3847         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3848         comparison with a large constant.
3849
3850 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
3851
3852         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3853
3854 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
3855
3856         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3857         registers is even, and we have a hardware double precision fp,
3858         align the buffer.
3859         (sh_gimplify_va_arg_expr): For floating point arguments, consider
3860         size of current argument when checking if argument was passed in
3861         registers.
3862
3863         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3864
3865         PR middle-end/23467
3866         * stor-layout.c (finalize_type_size): Dont override
3867         existing alignment with a smaller alignment from the mode.
3868
3869 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
3870
3871         * lambda-code.c (lambda_vector_lexico_pos): Moved...
3872         * lambda.h (lambda_vector_lexico_pos): ... here.
3873         * tree-data-ref.c (build_classic_dist_vector): Return false when
3874         the distance vector is lexicographically negative.
3875
3876 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
3877
3878         PR tree-optimization/23511
3879         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3880         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3881
3882 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
3883
3884         PR tree-optimization/22043
3885         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3886         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3887         If ALLOW_FLEXARR, handle types ending with flexible array member.
3888         Pass false as second argument to recursive count_type_elements calls.
3889         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3890         argument to count_type_elements call.
3891         * tree-sra.c (decide_block_copy): Likewise.
3892         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3893         for a constant-sized object, set cleared as well.  Pass true as
3894         second argument to count_type_elements call.
3895
3896 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
3897
3898         PR target/21571
3899         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3900         from legitimate_small_data_p, and make global.  Update use.
3901         Remove forward declaration.
3902         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3903         Declare.
3904         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3905
3906 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
3907
3908         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3909         of scratch intermediates.
3910         (eq<mode>_compare): Same.
3911         (neg_eq0<mode>): New.
3912         (neg_eq<mode>): Convert to define_insn_and_split.
3913
3914 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
3915
3916         PR target/23070
3917         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3918         stdarg functions, set/clear the fp marker even when no variable
3919         args are passed.
3920         * config/rs6000/sysv4.opt (mprototype): Describe.
3921
3922 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
3923
3924         PR rtl-optimization/23478
3925         * regs.h (reg_info): Add throw_calls_crossed.
3926         (REG_N_THROWING_CALLS_CROSSED): Define.
3927         * flow.c (allocate_reg_life_data): Initialize
3928         REG_N_THROWING_CALLS_CROSSED.
3929         (propagate_one_insn, attempt_auto_inc): Update
3930         REG_N_THROWING_CALLS_CROSSED.
3931         * global.c (global_alloc): Don't allocate pseudos across
3932         calls that may throw.
3933
3934 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
3935
3936         PR c/18715
3937         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3938         value is inbetween the range if we did not find an exact match.
3939
3940 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
3941
3942         * doc/invoke.texi (Option Summary): Add ms1 options.
3943         * doc/extend.texi: Document interrupt handler attribute for ms1.
3944         * doc/md.texi: Document ms1 constraints.
3945         * config.gcc: Add ms1-*-elf.
3946         * config/ms1/ms1.h: New.
3947         * config/ms1/ms1.c: New.
3948         * config/ms1/ms1.md: New.
3949         * config/ms1/ms1-protos.h: New.
3950         * config/ms1/ABI.txt: New.
3951         * config/ms1/crti.asm: New.
3952         * config/ms1/crtn.asm: New.
3953         * config/ms1/lib2extra-funcs.c: New.
3954         * config/ms1/t-ms1: New.
3955         * config/ms1/ms1.opt: New.
3956
3957 2005-08-22 Ira Rosen <irar@il.ibm.com>
3958
3959         * config/rs6000/altivec.md (xorv4sf3): New.
3960         (negv4sf2, neg<mode>2): Likewise.
3961
3962 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
3963
3964         PR target/23485
3965         * config/ia64/ia64.md (divsi3): Check divide by zero.
3966         (udivsi3): Likewise.
3967         (divdi3): Likewise.
3968         (udivdi3): Likewise.
3969
3970 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
3971
3972         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3973         up to elem_bitsize bits, not max_bitsize.
3974
3975 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3976
3977         PR tree-optimization/23433
3978         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3979         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3980
3981 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
3982
3983         PR tree-optimization/23434
3984         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3985         the iteration bound is not an INTEGER_CST.
3986
3987 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
3988
3989         * tree-vect-transform.c (get_initial_def_for_reduction): Set
3990         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3991         NULL if need_epilog_adjust is false.
3992         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3993         Case 3 always peels first itration, not just for PLUS case, and no need
3994         to use scalar_initial_def here. Create an epilog adjustment only if
3995         scalar_initial_def is not NULL.
3996
3997         (vectorizable_reduction): Remove assert.
3998
3999 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
4000
4001         PR target/23485
4002         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4003         (__moddi3): Likewise.
4004         (__udivdi3): Likewise.
4005         (__umoddi3): Likewise.
4006         (__divsi3): Likewise.
4007         (__modsi3): Likewise.
4008         (__udivsi3): Likewise.
4009         (__umodsi3): Likewise.
4010
4011 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
4012
4013         * tree-pass.h (TDF_GRAPH): Define.
4014         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4015         * passes.c (finish_optimization_passes): Only call
4016         finish_graph_dump_file if TDF_GRAPH is set.
4017         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4018         NULL.  Set TDF_GRAPH bit.
4019         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4020
4021 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
4022
4023         * arm.h (arm_stack_offsets): Add locals_base field.
4024         * arm.c (arm_get_frame_offsets): Compute it.
4025         (thumb_compute_initial_elimination offset): Make the Thumb frame
4026         pointer point to the base of the local variables.
4027         (thumb_expand_prologue): Update accordingly.
4028         (thumb_expand_epilogue): Likewise.
4029
4030         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
4031         mode of clobbered scratch to DImode.  Handle a case that's known to
4032         need this.
4033
4034 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
4035
4036         * config/rs6000/rs6000.md (gt0<mode>): Delete.
4037         (gt0<mode>_compare): Delete.
4038         (neg_gt0<mode>): Delete.
4039
4040 2005-08-19  Eric Christopher  <echristo@apple.com>
4041
4042         * optabs.h: Change CTI_ to COI_.
4043         * optabs.c: Ditto.
4044
4045 2005-08-19  James E Wilson  <wilson@specifix.com>
4046
4047         * builtins.c (expand_builtin_return_addr): Set
4048         current_function_accesses_prior_frames when count != 0.  Use
4049         frame_pointer_rtx when count == 0.
4050         * function.h (struct function): Add accesses_prior_frames field.
4051         (current_function_accesses_prior_frames): Define.
4052         * reload1.c (init_elim_table): Check
4053         current_function_accesses_prior_frames.
4054         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4055
4056 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4057
4058         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4059         indicator.  Return true if the flowgraph changed during
4060         cleanup.
4061
4062 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4063
4064         PR 23476
4065         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4066         conditional expression before testing its value.
4067
4068 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
4069
4070         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4071
4072 2005-08-19  Devang Patel  <dpatel@apple.com>
4073
4074         PR tree-optimization/23048
4075         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4076         third parameter. Check whether latch is dominated by exit
4077         block or not.
4078         (if_convertible_loop_p): Supply exit block itself to
4079         if_convertible_bb_p.
4080
4081 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4082
4083         PR target/23473
4084         * arm.md (arm_load_pic_register): Change argument to the mask of
4085         saved registers.  Call thumb_find_work_register if we need a
4086         scratch register on Thumb.
4087         (arm_expand_prologue): Pass empty register set to
4088         arm_load_pic_register.
4089         (thumb_expand_prologue): Pass live_regs_mask directly to
4090         arm_load_pic_register.
4091         * arm-protos.h (arm_load_pic_register): Update prototype.
4092
4093 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
4094
4095         * sh.c (find_sole_member): New function.
4096         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4097         if the record's alignment is larger than the size of its only member.
4098
4099 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
4100
4101         PR target/23436
4102         * arm.c (thumb_legitimize_reload_address): New function.
4103         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4104         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4105
4106 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
4107
4108         * config/crx/crx.c: Implement crx_decompose_address. Reject
4109         symbolic displacements since CRX register relative adressing
4110         mode can't handle unsigned 32-bit values as displacements.
4111         * config/crx/crx.h: Simplify definitions, remove redundant
4112         parenthesis and obsolete macros.
4113         * config/crx/crx.opt: Add new switch for debugging addresses.
4114         * config/crx/crx-protos.h: Add new declarations for above.
4115
4116 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
4117
4118         PR middle-end/20624
4119         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4120         looking past it.
4121
4122 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4123
4124         * collect2.c (dup2): Delete.
4125         * configure.ac: Don't check for dup2.
4126
4127         * config.in, configure: Regenerate.
4128
4129 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
4130
4131         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4132         record with the type of its only member.
4133
4134 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
4135
4136         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4137         define_insn_and_split.
4138         (plus_ltu<mode>_compare): Same.
4139         (gtu<mode>_compare): Same.
4140         (plus_gtu<mode>_compare): Same.
4141
4142 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
4143
4144         PR tree-optimization/22228
4145         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4146         todo_flags_start.
4147         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4148         are recorded in vect_vnames_to_rename for renaming.
4149         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4150         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4151         in vect_vnames_to_rename.
4152         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4153         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4154
4155 2005-08-18  Jan Hubicka  <jh@suse.cz>
4156
4157         PR c++/22034
4158         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4159         info only for local statics, not for member variables.
4160
4161 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4162
4163         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4164
4165 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4166
4167         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4168
4169 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
4170
4171         PR middle-end/16045
4172         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4173
4174 2005-08-17  James E Wilson  <wilson@specifix.com>
4175
4176         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4177         array size check.
4178
4179 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
4180
4181         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4182         (leu<mode>_compare): Same.
4183         (plus_leu<mode>): Same.
4184         (neg_leu<mode>): Same.
4185         (and_neg_leu<mode): Same.
4186         (ltu<mode>_compare): Same.
4187         (plus_ltu<mode>): Same.
4188         (geu<mode>): Same.
4189         (geu<mode>_compare): Same.
4190         (plus_geu<mode>): Same.
4191         (neg_geu<mode>): Same.
4192         (and_neg_geu<mode>): Same.
4193         (plus_gt<mode>): Same.
4194         (gtu<mode>_compare): Same.
4195         (plus_gtu<mode>): Same.
4196
4197 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
4198
4199         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4200         Move call_table_data to end.  Delete spurious .text.
4201         (callt_save_all_interrupt): Fix comment typo.
4202
4203 2005-08-17  James E Wilson  <wilson@specifix.com>
4204             Kevin Winchester  <winchester@amirix.com>
4205
4206         PR target/21684
4207         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4208
4209 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
4210
4211         PR target/23268
4212         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4213         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4214
4215 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
4216
4217         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4218         record with the type of its only member if the modes don't match.
4219
4220         * varasm.c (decode_reg_name): Skip empty additional register names.
4221
4222 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
4223
4224         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4225         lsm_tmp_name_length): New.
4226         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4227         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4228
4229 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4230             Andreas Krebbel  <krebbel1@de.ibm.com>
4231
4232         * config.gcc: Added z9-109 switch.
4233         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4234         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4235         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4236         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4237         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4238         for "z9_109" cpu attribute.
4239         * config/s390/s390.c (z9_109_cost): New processor cost structure.
4240         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4241         (s390_handle_arch_option): Added z9-109 switch.
4242         (override_options): Set respective cost function for z9-109.
4243         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4244         (legitimate_reload_constant_p): Accept extended immediates.
4245         (print_operand): Three new output modifiers added: k, m and o.
4246         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4247         (s390_output_mi_thunk): Use extended immediate when possible.
4248         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4249         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4250         (CONSTRAINT_LEN): Added length of O constraint.
4251         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4252         * config/s390/s390.md ("cpu"): New value z9_109 added.
4253         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4254         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4255         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4256         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4257         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4258         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4259         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4260         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4261         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4262         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4263         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4264         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4265         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4266         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4267         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4268         immediates.
4269         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4270         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4271         insns for TARGET_EXTIMM.
4272
4273 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4274
4275         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4276
4277 2005-08-17  Nick Clifton  <nickc@redhat.com>
4278
4279         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4280         Call default_encode_section_info.
4281
4282 2005-08-17  Steven Bosscher  <stevenb@suse.de>
4283
4284         PR tree-optimization/21574
4285         * tree-ssa-ccp.c (likely_value): If the right hand side is a
4286         constant, return CONSTANT.
4287         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4288         (ccp_fold, visit_assignment): Likewise.
4289         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4290
4291 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4292
4293         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4294         fold_buildN instead of buildN then fold_initializer or fold.
4295         (build_unary_op): Likewise.
4296         (build_binary_op): Likewise.
4297         * fold-const.c (fold_initializer): Remove.
4298         (fold_build1_initializer): New function.
4299         (fold_build2_initializer): New function.
4300         (fold_build3_initializer): New function.
4301         * tree.h (fold_initializer): Remove.
4302         (fold_build1_initializer): New function.
4303         (fold_build2_initializer): New function.
4304         (fold_build3_initializer): New function.
4305
4306 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
4307
4308         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4309         (try_move_mult_to_index): Call fold_build2 instead of build2.
4310         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4311         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4312         fold_binary_to_constant.
4313         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4314         fold (build.
4315         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4316         check if A == gcd (A, B).  Remove TYPE argument.
4317         (analyze_offset) Use fold_build2 instead of fold (build.
4318         (create_data_ref): Likewise.
4319         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4320         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4321         then fold.
4322
4323 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
4324
4325         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4326         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4327
4328 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
4329
4330         PR tree-opt/23402
4331         * gimplify.c (zero_sized_type): New function.
4332         (gimplify_modify_expr_rhs): If we have a zero sized type,
4333         replace the statement with an empty statement.
4334
4335 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
4336
4337         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4338         fxsave.
4339
4340 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4341
4342         * doc/tm.texi (Label Output): Correct typo.
4343
4344 2005-08-16  Steven Bosscher  <stevenb@suse.de>
4345
4346         PR target/23376
4347         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4348         force_operand will work later on using have_insn_for.
4349
4350 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4351
4352         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4353
4354 2005-08-16  Ian Lance Taylor  <ian@airs.com>
4355
4356         PR c++/23337
4357         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4358         vector type, don't try to construct it element by element.  Add an
4359         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4360
4361 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4362
4363         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4364
4365 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
4366
4367         * doc/invoke.texi (Precompiled Headers): Document some more options
4368         which are known to be safe.
4369
4370 2005-08-16  James E Wilson  <wilson@specifix.com>
4371
4372         PR tree-optimization/21105
4373         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4374         TREE_OVERFLOW check.
4375
4376 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
4377
4378         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4379         (neg_ltu<mode>): Same.
4380         (gtu<mode>): Same.
4381         (neg_gtu<mode>): Same.
4382
4383 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4384
4385         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4386         (fold_builtin_isdigit): Use fold_buildN.
4387         (build_function_call_expr): Likewise.
4388         * c-typeck.c (c_finish_loop): Likewise.
4389
4390 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
4391             Richard Shann <rshann@superh.com>
4392
4393         PR middle-end/20396:
4394         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4395
4396 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
4397
4398         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4399
4400 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
4401
4402         PR target/23355
4403         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4404         arm_compure_save_reg0_reg12_mask to determine when the PIC register
4405         must be saved.
4406
4407 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4408
4409         PR middle-end/23369
4410         * fold-const.c (build_range_check): Disable optimization for function
4411         pointer expressions on targets that require function pointer
4412         canonicalization.
4413
4414 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
4415
4416         * simplify-rtx.c (simplify_const_relational_operation): When
4417         extracting arguments of a COMPARE, recompute the mode as well.
4418
4419 2005-08-15  Ian Lance Taylor  <ian@airs.com>
4420
4421         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4422
4423 2005-08-15  DJ Delorie  <dj@redhat.com>
4424
4425         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4426         the stack.
4427         (movsi_splittable): Allow, but split, moves to the stack.
4428         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4429         stack.
4430
4431 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4432
4433         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4434         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4435         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4436
4437         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4438         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4439         Delete HOST_PTR_PRINTF.
4440
4441         * configure, config.in: Regenerate.
4442
4443 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
4444
4445         * config/rs6000/rs6000.md (QHSI): New mode macro.
4446         (wd): Extend mode attr for QImode and HImode
4447         (dbits): New mode attr.
4448         (zero_extend<mode>di2): Convert to mode macro.
4449
4450 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
4451
4452         PR target/21841
4453         * doc/invoke.texi (-mgnu-ld): Update description.
4454         (-mhp-ld): Ditto.
4455
4456 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4457
4458         PR 23391
4459         * Makefile.in (tree-chrec.o): Depends on real.h.
4460         * tree-chrec.c: Include real.h.
4461         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4462         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4463         * tree-scalar-evolution.c (add_to_evolution_1,
4464         interpret_rhs_modify_expr): Ditto.
4465
4466 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
4467
4468         PR 23386
4469         * tree-data-ref.c (estimate_niter_from_size_of_data): When
4470         step is negative compute the estimation from init downwards to zero.
4471
4472 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
4473
4474         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4475
4476 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4477
4478         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4479         constraint.
4480         (legitimate_reload_constant_p): Fix handling of lliXX operands.
4481         Accept double-word constants that can be split.
4482         * config/s390/s390.md ("movti"): Use 'P' constraint.
4483         ("*movdi_31", "*movdf_31"): Likewise.
4484
4485 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
4486
4487         Fix PR tree-optimization/22615
4488
4489         * tree-ssa-structalias.c (solution_set_add): Handle
4490         first_vi_for_offset returning NULL.
4491         (do_da_constraint): Ditto.
4492         (do_sd_constraint): Ditto.
4493         (do_ds_constraint): Ditto
4494         (find_func_aliases): Ditto.
4495         (build_constraint_graph): RHS is allowed be ANYTHING.
4496         (first_vi_for_offset): Return NULL if we couldn't find anything at
4497         the offset.
4498
4499 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
4500
4501         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4502         over memory as first operand.
4503
4504 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
4505
4506         PR target/23360
4507         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4508         available for setting it.
4509
4510 2005-08-14  Ira Rosen  <irar@il.ibm.com>
4511
4512         PR tree-optimization/23320
4513         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4514         data-refs' types instead of base object nullness. Add check for
4515         pointer type data-refs before first location comparison. Remove
4516         assert.
4517
4518 2005-08-14  Andreas Schwab  <schwab@suse.de>
4519
4520         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4521
4522 2005-08-13  James E Wilson  <wilson@specifix.com>
4523
4524         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4525         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4526         -fstack-protector-all, --param ssp-buffer-size): Document.
4527         (-Wvariadic-macros): Alphabetize.
4528         (-fsched-stalled-insns-dep): Add missing 'f'.
4529
4530         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4531         macros.
4532
4533 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
4534
4535         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4536         or indirect address operand.
4537         (EXTRA_ADDRESS_CONSTRAINT): New.
4538         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4539
4540 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
4541
4542         PR tree-optimization/22236
4543         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4544         successors and predecessors.
4545         * tree-chrec.c (chrec_convert): Before converting, check that
4546         sequences don't wrap.
4547         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4548         (analyze_array): Extern.
4549         (find_data_references_in_loop): Remove call to
4550         compute_estimated_nb_iterations.
4551         * tree-data-ref.h (analyze_array): Declared.
4552         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4553         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4554         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4555         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4556         condition.
4557         * tree-ssa-loop-ivcanon.c: Fix documentation.
4558         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4559         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4560         (infer_loop_bounds_from_undefined): New.
4561         (estimate_numbers_of_iterations_loop): Use
4562         infer_loop_bounds_from_undefined.
4563         (used_in_pointer_arithmetic_p): New.
4564         (scev_probably_wraps_p): Pass an extra parameter.  Call
4565         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
4566         (convert_step): Fix documentation.
4567         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4568         Use initial_condition_in_loop_num and evolution_part_in_loop_num
4569         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
4570         scev_probably_wraps_p.
4571
4572 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
4573
4574         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4575         (s390_register_info): Ignore clobbered_regs information for fixed
4576         registers, and only fixed registers.
4577         (s390_init_frame_layout): Remove redundant call.
4578
4579 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
4580
4581         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4582         description of -Wold-style-casts.
4583
4584 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4585             Jakub Jelinek  <jakub@redhat.com>
4586
4587         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4588         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4589         * config/s390/s390.c (print_operand): New output modifier 'G' added.
4590         (get_thread_pointer): Renamed to s390_get_thread_pointer.
4591         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4592         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4593         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4594         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4595         ("stack_protect_set", "stack_protect_test"): New expanders.
4596         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4597         "stack_protect_testdi"): New insn definitions.
4598
4599 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4600
4601         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4602
4603 2005-08-12  Paul Brook  <paul@codesourcery.com>
4604
4605         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4606
4607 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4608
4609         * config/s390/predicates.md (setmem_operand): New predicate.
4610         (shift_count_operand): Accept ANDs with special constants as
4611         operand.
4612         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4613         with special constants.
4614         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4615         shift_count_operand with setmem_operand.
4616
4617 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4618
4619         * config/s390/s390.c (s390_extract_part, s390_single_part):
4620         Type cast added.
4621         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4622         (s390_output_mi_thunk): Don't use lg on 31 bit.
4623         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4624         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4625
4626 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4627
4628         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4629         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4630         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4631         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4632         with one of the new macros.
4633
4634 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4635
4636         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4637         Don't set save_return_addr_p.
4638         (s390_register_info): Make clobbered_regs not depending on
4639         save_return_addr_p.
4640
4641 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4642
4643         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4644         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4645
4646 2005-08-11  James E. Wilson  <wilson@specifix.com>
4647
4648         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4649
4650 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
4651
4652         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4653         locations gathered by var-tracking in single entry loc_list
4654         over loc_descriptor_from_tree.
4655
4656         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4657         pass it down to loc_descriptor.
4658         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4659         (containing_function_has_frame_base): Move earlier in the file.
4660         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4661         instead of always assuming fbreg can't be used.
4662
4663 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
4664
4665         * config/rs6000/altivec.md: Change constraint "m" to "Z".
4666         * config/rs6000/predicates.md (indexed_or_indirect_operand):
4667         Accept address wrapped in AND for Altivec.
4668         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4669         Strip AND wrapping offset address for Altivec.
4670
4671 2005-08-11  Richard Henderson  <rth@redhat.com>
4672
4673         PR middle-end/23312
4674         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4675         before using TYPE_IS_SIZETYPE.
4676
4677 2005-08-11  Richard Henderson  <rth@redhat.com>
4678
4679         PR target/22225
4680         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4681         insn types not present on ev4.
4682         (alphaev5_insn_pipe): Similarly.
4683
4684 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
4685
4686         PR target/23250
4687         * arm.c (arm_override_options): If the user has selected callee-super-
4688         interworking, then enable normal interworking.
4689
4690 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4691
4692         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4693         redefinition.
4694
4695 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
4696
4697         * doc/rtl.texi: Fix two typos.
4698
4699 2005-08-11  Richard Guenther  <rguenther@suse.de>
4700
4701         PR target/23289
4702         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4703         cases where we call to/from functions returning void.
4704
4705 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
4706
4707         PR c++/23225
4708         * tree.c (build_pointer_type_for_mode): Robustify.
4709
4710 2005-08-10  James E Wilson  <wilson@specifix.com>
4711
4712         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4713         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4714
4715         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4716         "cum->".
4717
4718 2005-08-10  Eric Christopher  <echristo@apple.com>
4719
4720         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4721         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4722         V2DFmode.
4723
4724 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
4725
4726         PR target/21887
4727         * config/darwin.c (machopic_indirect_data_reference): Use a new register
4728         for the high part when generating dynamic-no-pic code.
4729
4730 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
4731
4732         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4733         (x86_64-*-linux*): Likewise.
4734
4735         * config/i386/crtfastmath.c: New file.
4736         * config/i386/t-crtfm: Likewise.
4737
4738         * config/i386/linux.h (ENDFILE_SPEC): New.
4739         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4740
4741         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4742         crtfastmath.o.
4743
4744 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
4745
4746         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4747         (vec_shl, vec_shr): Document new operations.
4748         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4749
4750 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
4751
4752         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4753         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4754         change predicate to indexed_or_indirect_address.
4755
4756 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
4757
4758         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4759         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4760         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4761         and __aeabi_uwrite8.
4762         * config/arm/unaligned-funcs.c: New file.
4763         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4764
4765 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
4766
4767         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4768         Add dump.
4769         * cfglayout.c (pass_insn_locators_initialize): Add dump.
4770         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4771         Add dump.
4772         * except.c (pass_convert_to_eh_region_ranges): Add dump.
4773         * final.c (pass_shorten_branches): Add dump.
4774         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4775         (pass_life): Rename dump.
4776         (rest_of_handle_flow2): Remove initial verify_flow_info.
4777         * function.c (pass_instantiate_virtual_regs): Add dump.
4778         * integrate.c (pass_initial_value_sets): Add dump.
4779         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4780         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4781         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4782         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4783         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4784         gate_rtl_unrool_and_peel_loops): New.
4785         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4786         rtl_doloop): Do not look at flags.
4787         * mode-switching.c (pass_mode_switching): Add dump.
4788         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4789         pass_split_before_regstack): Add dump.
4790         * regmove.c (pass_stack_adjustments): Add dump.
4791         * tree-optimize.c (pass_fixup_cfg): Add dump.
4792
4793 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4794
4795         PR 23309
4796         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4797         deciding which instruction sequence to use.
4798
4799 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
4800
4801         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4802         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4803
4804 2005-08-09  Richard Guenther  <rguenther@suse.de>
4805
4806         * c-common.c (builtin_function_2): Remove.
4807         (def_builtin_1): New function.
4808         (c_common_nodes_and_builtins): Use def_builtin_1 to
4809         build builtin functions.
4810
4811 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
4812
4813         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4814         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4815         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4816         Visual DSP.
4817
4818 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4819
4820         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4821         fold_binary instead of fold_build2 since we don't care about the
4822         resulting tree.
4823         (loop_niter_by_eval): Likewise.
4824         (compare_trees): Likewise.
4825         (proved_non_wrapping_p): Likewise.
4826
4827 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
4828
4829         PR c/23161
4830         PR c/23165
4831         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4832         if the if is really empty.
4833
4834 2005-08-09  Steven Bosscher  <stevenb@suse.de>
4835
4836         PR tree-optimization/23234
4837         * tree-ssa-math-opts.c (place_reciprocal): New enum.
4838         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4839         argument of the new enum.
4840         (execute_cse_reciprocals): Add reciprocals for function arguments
4841         on the unique successor edge of the entry block.  Update other calls
4842         to execute_cse_reciprocals_1.
4843
4844 2005-08-08  Richard Henderson  <rth@redhat.com>
4845
4846         PR 22439
4847         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4848
4849 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
4850
4851         * expr.c (write_complex_part): Return after handling MEM.
4852
4853 2005-08-08  Josh Conner  <jconner@apple.com>
4854
4855         PR rtl-optimization/23241
4856         * combine.c (simplify_comparison): Fix error in determining
4857         whether to lift a subreg from comparison.
4858
4859 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
4860
4861         PR target/18506
4862         * config/rs6000/altivec.md (vec_init<mode>): New.
4863         (vec_set<mode>): New.
4864         (vec_extract<mode>): New.
4865         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4866         (rs6000_expand_vector_set): New.
4867         (rs6000_expand_vector_extract): New.
4868         (rs6000_legitimate_offset_address_p): Offset addresses are valid
4869         for Altivec modes before reload.
4870         (altivec_expand_vec_init_builtin): New.
4871         (get_element_number): New.
4872         (altivec_expand_vec_set_builtin): New.
4873         (altivec_expand_vec_ext_builtin): New.
4874         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4875         builtins.
4876         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4877         builtins.
4878         * config/rs6000/rs6000.h (rs6000_builtins): Add
4879         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4880         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4881         * config/rs6000/rs6000-protos.h: Declare new functions.
4882
4883 2005-08-08  Jan Hubicka  <jh@suse.cz>
4884
4885         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4886         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4887         * i386.md (movdi*): Use pic_32bit_operand.
4888         * predicates.md (pic_32bit_operand): New.
4889
4890 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
4891
4892         PR c++/21166
4893         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4894
4895 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
4896
4897         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4898         (test_for_singularity): Use fold_build2.
4899
4900 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4901
4902         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4903
4904 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
4905
4906         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4907         (COMMON_ASM_OP) Define.
4908         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4909         (ix86_encode_section_info): Likewise.
4910         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4911         SUBTARGET_ENCODE_SECTION_INFO.
4912
4913 2005-08-06  Richard Henderson  <rth@redhat.com>
4914
4915         PR 21894
4916         * tree-nested.c (convert_local_reference): Save and restore val_only
4917         around component_ref and friends.  Clear walk_subtrees by default.
4918
4919 2005-08-06  Peter O'Gorman  <peter@pogma.com>
4920
4921         PR 21366
4922         * gcc.c (process_command): Check the argument to -b has a dash.
4923         * doc/invoke.texi: Update -b and -V docs.
4924
4925 2005-08-06  James E Wilson  <wilson@specifix.com>
4926
4927         * config/mips/cross64.h, config/mips/t-cross64: Delete.
4928
4929 2005-08-06  Michael Matz  <matz@suse.de>
4930
4931         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4932         member only if only one insn is associated with the value.
4933
4934 2005-08-06  Nick Clifton  <nickc@redhat.com>
4935
4936         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4937         New define.
4938         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4939         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4940         Check symbol flags instead of symbol name mangling.
4941         (xstormy16_asm_output_aligned_common): Likewise.  Also
4942         simplify code since the bss100_section cass is the only case
4943         where the below100 code will be triggered.
4944         (xstormy16_encode_section_info): Encode below100 attribute
4945         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4946         the name.
4947         (xstormy16_strip_name_encoding): Delete - this function is no
4948         longer needed.
4949         (TARGET_STRIP_NAME_ENCODING): Undefine.
4950         * config/stormy16/stormy16-protos.h: Delete prototype for
4951         xstormy16_strip_name_encoding.
4952
4953 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
4954
4955         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4956         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4957         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4958         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4959         config/alpha/predicates.md, config/arc/arc.h,
4960         config/arm/arm.h, config/arm/ieee754-df.S,
4961         config/arm/ieee754-sf.S, config/bfin/bfin.c,
4962         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4963         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4964         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4965         config/m68hc11/m68hc11.h, config/mips/mips.c,
4966         config/mips/mips.h, config/mips/openbsd.h,
4967         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4968         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4969         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4970         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4971         config/sparc/linux.h, config/sparc/linux64.h,
4972         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4973         doc/extend.texi, doc/gcov.texi, doc/install.texi,
4974         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4975         typos.  Follow spelling conventions.
4976
4977 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
4978
4979         PR c/23113
4980         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4981         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4982         specially.  Check for side effects only for COND_EXPR.
4983         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4984         return with TREE_NO_WARNING.
4985
4986 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
4987
4988         PR rtl-optimization/23233
4989         * loop.c (combine_movables): Require the modes to be the same.
4990         (move_movables): Remove handling of cases where the replacement
4991         had a different mode to the original.
4992
4993 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
4994
4995         PR tree-optimization/23128
4996         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4997         subtraction wrap, and set TREE_OVERFLOW if they do.
4998
4999 2005-08-05  Richard Henderson  <rth@redhat.com>
5000
5001         PR 21728
5002         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5003         FORCED_LABEL labels.
5004
5005 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
5006
5007         PR middle-end/23135
5008         * reload.c (find_reloads_subreg_address): Pass down TYPE
5009         unchanged.  Change all callers except find_reloads_toplev.
5010
5011 2005-08-05  Michael Matz  <matz@suse.de>
5012
5013         * genattrtab.c (current_alternative_string): Remove.
5014         (SIMPLIFY_ALTERNATIVE): Ditto.
5015         (attr_alt_bit_p): Ditto.
5016         (alternative_name): Make const char *.
5017         (evaluate_eq_attr): Remove use of above things.
5018         (simplify_test_exp): Ditto.
5019         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5020         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5021
5022 2005-08-04  James E Wilson  <wilson@specifix.com>
5023
5024         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5025         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5026         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5027         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5028         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5029
5030 2005-08-04  Richard Henderson  <rth@redhat.com>
5031
5032         PR 21529
5033         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5034         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5035         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
5036         if we'd have to instantiate too many members.
5037
5038 2005-08-04  Richard Henderson  <rth@redhat.com>
5039
5040         PR 21291
5041         * tree-outof-ssa.c (coalesce_asm_operands): New.
5042         (coalesce_ssa_name): Use it.  Split out ...
5043         (coalesce_phi_operands, coalesce_result_decls): ... these.
5044
5045 2005-08-04  Paul Brook  <paul@codesourcery.com>
5046
5047         * read-rtl.c (read_quoted_string): Break if EOF.
5048
5049 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
5050
5051         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5052         (fold_build2): Likewise.
5053         (fold_build3): Likewise.
5054         (fold_build1_stat): New function prototype.
5055         (fold_build2_stat): Likewise.
5056         (fold_build3_stat): Likewise.
5057         * fold-const.c (fold_build1): Rename to ..
5058         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5059         through to build1_stat.
5060         (fold_build2): Rename to ..
5061         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5062         through to build2_stat.
5063         (fold_build3): Rename to ..
5064         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
5065         through to build3_stat.
5066
5067 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
5068             Ian Lance Taylor  <ian@airs.com>
5069
5070         * function.c (assign_stack_local_1): Do not correct stack slot
5071         address if allocation size is smaller than mode size.
5072
5073 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
5074
5075         PR 22037
5076         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5077         (tree_merge_blocks): Propagate anything allowed by
5078         may_propagate_copy.
5079         Clarify documentation.
5080         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5081         SSA form, schedule an update if necessary.
5082
5083 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
5084
5085         * doc/install.texi (Binaries): Remove broken link to
5086         Sinix/Reliant Unix binaries.
5087
5088 2005-08-03  Richard Henderson  <rth@redhat.com>
5089
5090         PR 23221
5091         * function.c (stack_protect_epilogue): Export.
5092         * tree.h (stack_protect_epilogue): Declare.
5093         * calls.c (expand_call): Call it.
5094
5095 2005-08-03  Eric Christopher  <echristo@apple.com>
5096
5097         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5098         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5099         spec.
5100
5101 2005-08-04  Jan Hubicka  <jh@suse.cz>
5102
5103         * profile.c (branch_prob): Split edges with goto locus on them
5104         to get proper line counts.
5105         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5106
5107 2005-08-03  Paul Brook  <paul@codesourcery.com>
5108
5109         * function.c (assign_parms): Round current_function_args_size
5110         to PARM_BOUNDARY, not STACK_BOUNDARY.
5111
5112 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
5113
5114         * config/i386/i386.c (x86_elf_aligned_common)
5115         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5116
5117 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
5118
5119         PR tree-optimization/23157
5120         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5121         before emitting them.
5122
5123 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5124
5125         PR tree-optimization/19899
5126         * Makefile.in (tree-scalar-evolution.o): Add real.h.
5127         * tree-scalar-evolution.c: Include real.h.
5128         (add_to_evolution): Build constant -1 of correct type.
5129
5130 2005-08-03  Jan Hubicka  <jh@suse.cz>
5131
5132         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5133         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5134         profile updating for complette unrolling.
5135         * loop-unroll.c (peel_loop_completely): Use it.
5136         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5137         (tree_unroll_loops_completely): Disable code growing unrolling of cold
5138         loops.
5139
5140 2005-08-03  Paul Brook  <paul@codesourcery.com>
5141
5142         * combine.c (can_change_dest_mode): New function.
5143         (try_combine, simplify_set): Use it.
5144
5145 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
5146
5147         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5148         TFmode to BLKmode.
5149
5150 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
5151
5152         * doc/install.texi (Specific): Adjust link to openavr.org.
5153         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5154         (Binaries): Adjust HP-UX Porting Center link.
5155         (Binaries): Adjust Free Software Foundation ordering link.
5156
5157 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
5158
5159         * convert.c (convert_to_integer): Use fold_build1 instead of
5160         build1 when converting an integer to an integer.
5161
5162 2005-08-02  Richard Henderson  <rth@redhat.com>
5163
5164         * combine.c (combine_instructions): Don't use reg_equal/equiv
5165         results if the mode doesn't match.
5166
5167 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
5168
5169         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5170         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5171
5172 2005-08-02  Richard Henderson  <rth@redhat.com>
5173
5174         PR 23196
5175         * explow.c (memory_address): Remove special-case for
5176         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5177
5178 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
5179
5180         PR 23164
5181         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5182         number of calls to cleanup_tree_cfg_1.
5183
5184 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
5185
5186         * doc/invoke.texi: document file extensions .F90 and .F95
5187
5188 2005-08-02  Richard Guenther  <rguenther@suse.de>
5189
5190         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5191         positive if its first argument is positive.
5192
5193 2005-08-02  Richard Guenther  <rguenther@suse.de>
5194
5195         PR tree-optimization/23177
5196         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5197         on TMR_TAG.
5198
5199 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
5200
5201         PR tree-optimization/23129
5202         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5203         varying for divisions with anti-ranges.
5204
5205 2005-08-02  Jan Hubicka  <jh@suse.cz>
5206
5207         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5208         * tree-ssa-threadupdate.c (thread_block): Add it here.
5209
5210 2005-08-01  James E Wilson  <wilson@specifix.com>
5211
5212         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5213         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5214         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5215         New.
5216         * config/mips/predicates.md (const_call_insn_operand): Add check for
5217         SYMBOL_REF_LONG_CALL_P.
5218         * doc/extend.texi (long_call): Document the new attribute.
5219
5220 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5221             Richard Henderson  <rth@redhat.com>
5222
5223         * Makefile.in (RTL_BASE_H): Add real.h.
5224         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5225         instead of memcpy.
5226         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5227         directly.
5228         * rtl.c (rtl_check_failed_code_mode): New.
5229         * rtl.h (struct rtx_def): Add u.rv.
5230         (XCMWINT, XCNMPRV): New.
5231         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5232         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5233
5234 2005-08-01  Richard Henderson  <rth@redhat.com>
5235
5236         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5237         with auto-inc codes.
5238
5239         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5240
5241 2005-08-01  Jan Hubicka  <jh@suse.cz>
5242
5243         * i386-protos.h (asm_preferred_eh_data_format): Declare.
5244         * i386.c: Include dwarf2.h
5245         (asm_preferred_eh_data_format): New.
5246         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5247
5248 2005-08-01  Ian Lance Taylor  <ian@airs.com>
5249
5250         * config/host-linux.c (linux_gt_pch_get_address): Add new name
5251         randomize_va_space for virtual address randomization control.
5252
5253 2005-08-01  Steven Bosscher  <stevenb@suse.de>
5254
5255         * common.opt (flag_ipa_cp): Put in right place to maintain
5256         alphabetic sort.
5257
5258 2005-08-01  Jan Hubicka  <jh@suse.cz>
5259
5260         * profile.c (compute_value_histograms): Fix thinko.
5261         * value-prof.c: Include toplev.h
5262         (check_counter): New function.
5263         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5264         tree_mod_subtract_transform): Add sanity check.
5265
5266 2005-08-01  Richard Guenther  <rguenther@suse.de>
5267
5268         PR tree-optimization/23133
5269         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5270         current functions parameter decls to find defs to cse
5271         reciprocals of.
5272
5273 2005-08-01  Richard Guenther  <rguenther@suse.de>
5274
5275         PR tree-optimization/23109
5276         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5277         If trapping math is in effect, use post-dominator information
5278         to check if we'd in any case reach a trapping point before
5279         doing the reciprocal insertion.
5280         (execute_cse_reciprocals): Compute post-dominators, if necessary.
5281         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5282         expressions are invariant only if trapping math is not in effect.
5283
5284 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5285
5286         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5287         cgraph_function_versioning): New declarations.
5288         * cgraphunit.c: Add include to ipa-prop.h.
5289         (update_call_expr, cgraph_copy_node_for_versioning,
5290         cgraph_function_versioning): New functions.
5291         * integrate.c (copy_decl_for_inlining): Remove.
5292         * ipa-prop.h (ipa_replace_map): New struct.
5293         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5294         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5295         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5296         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5297         ipcp_iterate_stage, ipcp_method_scale_print,
5298         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5299         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5300         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5301         ipcp_update_bb_counts, ipcp_update_profiling,
5302         ipcp_update_edges_counts): New functions.
5303         (ipcp_method_cval_init): Remove restriction regarding local methods.
5304         (ipcp_init_stage): Add ipcp_method_compute_scale.
5305         (ipcp_insert_stage): Add versioning.
5306         (ipcp_structures_print): Add ipcp_method_scale_print.
5307         (ipcp_driver): Dump profiling info.
5308         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5309         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5310         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5311         (struct inline_data): Add versioning_p, ipa_info, new fields.
5312         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5313         declare_return_variable): Replace calls to copy_decl_for_inlining with
5314         copy_decl_for_dup.
5315         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5316         versioning support.
5317         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5318         Add argument VERSIONING.
5319         (copy_arguments_for_versioning, copy_static_chain,
5320         function_versionable_p, tree_versionable_function_p,
5321         tree_function_versioning, replace_ref_tree): New functions.
5322         * tree-inline.h: Include varray.h.
5323         (tree_versionable_function_p,  tree_function_versioning,
5324         tree copy_decl_for_dup): New declarations.
5325
5326 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
5327
5328         * ipa-cp.c: New file. Contains IPCP specific functionality.
5329         * ipa-prop.h: New file. Contains structures/definitions that can be
5330         used by several interprocedural data flow optimizations (and also IPCP).
5331         * ipa-prop.c: New file.
5332         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5333         * common.opt: Add ipa-cp flag.
5334         * timevar.def: Add IPCP optimization.
5335         * tree-optimize.c (init_tree_optimization_passes): Schedule
5336         pass_ipa_cp.
5337         * tree-pass.h (pass_ipa_cp): Declare.
5338
5339 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
5340
5341         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5342         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5343         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5344         config/i386/i386.c, config/mips/mips.h,
5345         config/rs6000/rs6000.h, config/sh/sh.c,
5346         config/stormy16/stormy16.c: Fix comment typos.
5347
5348 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
5349
5350         PR c/22311
5351         * c-typeck.c (build_binary_op): Use common_type wrapper on
5352         shortened types.
5353         (common_type): Update comment.
5354
5355 2005-07-31  Steven Bosscher  <stevenb@suse.de>
5356
5357         PR target/23095
5358         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5359         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5360         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5361
5362 2005-07-31  Jan Hubicka  <jh@suse.cz>
5363
5364         * pretty-print.h (pp_widest_integer): New macro.
5365         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5366         counts.
5367
5368 2005-07-31  Jan Hubicka  <jh@suse.cz>
5369
5370         * output.h (enum section_category): Export from varasm.c
5371         (categorize_decl_for_section): Likewise.
5372         * varasm.c (enum section_category): Kill.
5373         (categorize_decl_for_section): Make global.
5374         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5375         Declare.
5376         * i386.c (ix86_section_threshold): New static variable.
5377         (ix86_in_large_data_p, ix86_encode_section_info,
5378         x86_64_elf_unique_section,
5379         x86_64_elf_select_section): New functions.
5380         (TARGET_ENCODE_SECTION_INFO): Define
5381         (override_options): Enable medium model for PIC.
5382         (ix86_expand_prologue): Expand gen_set_got_rex64.
5383         (legitimate_constant_p): Handle new UNSPECs.
5384         (legitimate_pic_address_disp_p): Likewise.
5385         (legitimize_pic_address): Lower MEDIUM model addressing.
5386         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5387         (enum cmodel): Add MEDIUM_PIC.
5388         (SYMBOL_REF_FAR_ADDR_P): New macro.
5389         (SYMBOL_FLAG_FAR_ADDR): New flag.
5390         * i386.md (movdi): Support medium model.
5391         (set_got_rex64): New pattern.
5392         * i386.opt (mlarge-data-threshold): New flag.
5393         * predicates.md (zext_operand/sext_operand): Deal with medium model.
5394         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5395         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5396         TARGET_ASM_UNIQUE_SECTION): New.
5397
5398         * invoke.texi (-mlarge_data_threshold): Document
5399
5400 2005-07-31  Jan Hubicka  <jh@suse.cz>
5401
5402         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5403         (coalesce_vars): Likewise.
5404         * tree-ssa-live.c (coalesce_cost): New.
5405         (build_tree_conflict_graph): Use coalesce_cost.
5406         * tree-ssa-live.h (coalesce_cost): Declare.
5407
5408 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5409
5410         * arm.md (all peepholes for post-increment operations): Delete.
5411         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5412         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5413         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5414         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5415         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5416
5417 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
5418
5419         * fold-const.c (tree_expr_nonnegative_p): Always return true for
5420         non-integral types.
5421
5422 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
5423
5424         PR target/22582
5425         * doc/invoke.texi: Document -rdynamic.
5426
5427 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
5428
5429         PR c/23143
5430         * c-parser.c (c_parser_parms_list_declarator): Call
5431         mark_forward_parm_decls.
5432         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5433         decls with visibility structure.
5434
5435 2005-07-30  Paul Brook  <paul@codesourcery.com>
5436
5437         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5438
5439 2005-07-30  Paul Brook  <paul@codesourcery.com>
5440
5441         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5442         prototype.
5443         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5444         value for mode.
5445         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5446
5447 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5448
5449         PR c/529
5450         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5451         nested function declarators.
5452         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5453         (grokparms): Call warn_if_shadowing for parameters used within the
5454         parameter list.
5455         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5456         not used within the parameter list.
5457         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5458
5459 2005-07-30  Jan Hubicka  <jh@suse.cz>
5460
5461         * expr.c (expand_expr_real_1): Do not load mem targets into register.
5462         * i386.c (ix86_fixup_binary_operands): Likewise.
5463         (ix86_expand_unary_operator): Likewise.
5464         (ix86_expand_fp_absneg_operator): Likewise.
5465         * optabs.c (expand_vec_cond_expr): Validate dest.
5466
5467 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5468
5469         PR c/21720
5470         * real.c (real_from_string): Also set last bit if there is a
5471         nonzero hex digit beyond GCC's internal precision after ".".
5472
5473 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
5474
5475         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5476         define_constants.  Change duplicate values to unassigned numbers.
5477         Change UNSPEC_SUBS to UNSPEC_VSUBS.
5478         (*altivec_vspltsf): New.
5479         (altivec_vperm_v4sf): Delete.
5480         (altivec_vperm_<mode>): Use mode macro V.
5481         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5482         (altivec_predicate_v4sf): Delete.
5483         (altivec_predicate_<mode>): Use mode macro V.
5484         (*altivec_lvesfx): New.
5485         (*altivec_stvesfx): New.
5486         (vec_realign_load_v4sf): Delete.
5487         (vec_realign_load_<mode>): Use mode macro V.
5488         * config/rs6000/rs6000.c (generate_set_vrsave): Use
5489         UNSPECV_SET_VRSAVE.
5490
5491 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
5492
5493         PR bootstrap/23131
5494         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5495         string.
5496         * configure: Regenerated.
5497
5498 2005-07-29  Paul Brook  <paul@codesourcery.com>
5499
5500         * doc/install.texi: Add link to GFortran binaries wiki page.
5501
5502 2005-07-29  David Ung  <davidu@mips.com>
5503
5504         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5505         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5506         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5507         * config/mips/mips.md (cpu): Add 5kf name.
5508         (includes): Includes 5k.md.
5509         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5510         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5511         -march flag.
5512
5513 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5514
5515         PR 22550
5516         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5517         (cleanup_tree_cfg): ... here.
5518         Call cleanup_tree_cfg_1 until there are no more cleanups to
5519         do.
5520
5521 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
5522
5523         * tree-vrp.c (compare_range_with_value): Return true or false
5524         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5525         EQ_EXPR respectively.
5526
5527 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
5528
5529         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5530         Fix comment typos.
5531
5532 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
5533
5534         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5535         (tree_ssa_dominator_optimize): Increment it.
5536         (dump_dominator_optimization_stats): Print it.
5537
5538 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
5539             Steven Bosscher  <stevenb@suse.de>
5540
5541         PR rtl-optimization/23117
5542         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5543         when head == tail.  Tidy comment.
5544
5545 2005-07-28  Richard Henderson  <rth@redhat.com>
5546
5547         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5548         * cselib.c (rtx_equal_for_cselib_p): Likewise.
5549         * jump.c (rtx_renumbered_equal_p): Likewise.
5550         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5551         CONST_INT and CONST_DOUBLE.
5552         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5553         * reload.c (operands_match_p): Special case CONST_INT and
5554         CONST_DOUBLE; check mode earlier.
5555
5556 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5557
5558         PR c/22240
5559         * c-typeck.c (convert_for_assignment): Do not check
5560         DECL_IN_SYSTEM_HEADER on NULL fundecl.
5561
5562 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5563
5564         PR c/22192
5565         * c-typeck.c (composite_type): Prefer constant size arrays to
5566         VLAs.
5567
5568 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
5569
5570         PR c/21720
5571         * real.c (real_from_string): Set last bit if there is a nonzero
5572         hex digit beyond GCC's internal precision.
5573
5574 2005-07-28  Richard Henderson  <rth@redhat.com>
5575
5576         PR rtl-opt/22619
5577         * cfgcleanup.c (try_forward_edges): Watch out for end of
5578         insn chain.
5579
5580 2005-07-28  James E Wilson  <wilson@specifixinc.com>
5581
5582         PR c/23106
5583         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5584
5585 2005-07-28  Jan Hubicka  <jh@suse.cz>
5586
5587         * Makefile.in (rtl-profile.o): Kill all traces of it.
5588         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5589         * coverage.h (rtl_coverage_counter_ref): Kill.
5590         * opts.c (flag_speculative_prefetching_set): Kill.
5591         (flag_loop_optimize_set): New.
5592         (common_handle_option): Disable loop optimizer when profiling;
5593         do not handle speculative prefetching.
5594         * passes.c (init_optimization_passes): Replace pass_profiling combo
5595         by branch_prob pass.
5596         * profile.c (compute_value_histograms): Update for simplified value
5597         profiles.
5598         (rtl_register_profile_hooks): Kill.
5599         (pass_profiling): Kill.
5600         (rest_of_handle_branch_prob): Do not profile.
5601         * toplev.c (process_options): Remove speculative prefetching.
5602         * toplev.h (flag_tree_based_profiling): Kill.
5603         * tree-profile.c (prepare_instrumented_value,
5604         tree_gen_interval_profiler, tree_gen_pow2_profiler,
5605         tree_gen_one_value_profiler, do_tree_profiling): Update for
5606         simplified datastructures.
5607         * value-prof.c: Add comment that speculative prefetching was dropped;
5608         update rest of file for simplified datastructures.
5609         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5610         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5611         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5612         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5613         rtl_mod_subtract, gen_speculative_prefetch,
5614         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5615         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5616         (gate_handle_value_profile_transformations,
5617         rest_of_handle_value_profile_transformations,
5618         pass_value_profile_transformations): Kill.
5619         * value-prof.h (histogram_value_t): Remove IL based unions.
5620         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5621         rtl_profile_hooks): Remove hooks.
5622
5623         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5624
5625         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5626         (cgraph_clone_node): Likewise.
5627         * cgraph.h (cgraph_clone_edge): Update prototype.
5628         (cgraph_clone_node): Likewise.
5629         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5630         cgraph_clone_node.
5631         (lookup_recursive_calls): Consider profile.
5632         (cgraph_decide_recursive_inlining): Fix updating; use new
5633         probability argument; use profile.
5634         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5635         * tree-inline.c (copy_bb): Update clal of clone_edge.
5636         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5637
5638         * invoke.texi (min-inline-recursive-probability): Document.
5639
5640 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
5641
5642         * doc/install.texi (Configuration): Update Valgrind homepage.
5643
5644 2005-07-28  Richard Henderson  <rth@redhat.com>
5645
5646         PR middle-end/21362
5647         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5648         labels we want to delete.
5649         (cfg_layout_merge_blocks): Likewise.
5650
5651 2005-07-28  Richard Henderson  <rth@redhat.com>
5652
5653         PR target/17692
5654         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5655         when expanding to nothing.
5656
5657 2005-07-28  Josh Conner  <jconner@apple.com>
5658
5659         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5660         (cgraph_decide_inlining_of_small_functions): Likewise.
5661
5662 2005-07-28  Josh Conner  <jconner@apple.com>
5663
5664         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
5665         direction of badness if negative.
5666         (cgraph_default_inline_p): Add reason to parameters, and assign it
5667         a value.
5668         (cgraph_decide_inlining_of_small_functions): New parameter in call
5669         to cgraph_default_inline_p.
5670         (cgraph_decide_inlining_incrementally): Likewise.
5671         * cgraphunit.c (decide_is_function_needed): Likewise.
5672         * cgraph.h (cgraph_default_inline_p): Likewise.
5673
5674 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5675
5676         * builtins.c: Fix comment typo(s).
5677         * genautomata.c: Likewise.
5678         * gimplify.c: Likewise.
5679         * tree-dfa.c: Likewise.
5680         * tree-flow-inline.h: Likewise.
5681         * tree-into-ssa.c: Likewise.
5682         * tree-ssa-alias.c: Likewise.
5683         * tree-ssa-ccp.c: Likewise.
5684         * tree-ssa-copy.c: Likewise.
5685         * tree-ssa-dce.c: Likewise.
5686         * tree-ssa-dom.c: Likewise.
5687         * tree-ssa-operands.c: Likewise.
5688         * tree-tailcall.c: Likewise.
5689         * tree-vectorizer.c: Likewise.
5690         * tree-vrp.c: Likewise.
5691         * tree.c: Likewise.
5692
5693 2005-07-28  Jeff Law  <law@redhat.com>
5694
5695         * tree-vrp.c (test_for_singularity): Extracted from  ...
5696         (simplify_cond_using_ranges): Attempt to simplify a relational
5697         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
5698
5699 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
5700
5701         PR tree-optimization/22506
5702         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5703         phis whose argument is constant.
5704
5705 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
5706
5707         PR rtl-optimization/18992
5708         Back out this patch:
5709           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5710           PR optimization/12142
5711           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5712           uses of the register in the SET_SRC.  Remove unnecessary argument.
5713
5714         Replace it with this:
5715         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5716         if flag_non_call_exceptions is set and the insn may trap, pass
5717         pc_rtx as dest for recursion.
5718         In SET_SRC part of SET case, if dest is already set, pass it down
5719         unchanged.
5720
5721 2005-07-28  Jan Hubicka  <jh@suse.cz>
5722
5723         * cfg.c (update_bb_profile_for_threading): Use RDIV.
5724         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5725         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5726         roundoff errors.
5727         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5728         profile when available.
5729
5730 2005-07-28  Jan Beulich <jbeulich@novell.com>
5731
5732         * config/ia64/ia64.c (ia64_load_pair_ok): New.
5733         (ia64_print_operand): Describe and handle 'X'.
5734         (ia64_register_move_cost): Also handle FP_REGS.
5735         (ia64_preferred_reload_class): Likewise.
5736         (ia64_secondary_reload_class): Likewise.
5737         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5738         it. Also check for ITANIUM_CLASS_FLDP.
5739         * config/ia64/ia64.h (FP_REGNO_P): New.
5740         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5741         (reg_class): Add FP_REGS.
5742         (REG_CLASS_NAMES): Adjust for it.
5743         (REG_CLASS_CONTENTS): Likewise.
5744         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5745         (REG_CLASS_FROM_LETTER): Handle 'x'.
5746         (CLASS_MAX_NREGS): Handle FP_REGS.
5747         (MEMORY_MOVE_COST): Likewise.
5748         * config/ia64/ia64.md (itanium_class): Add fldp.
5749         (type): Handle fldp.
5750         (movti_internal): More allowable operand combinations. Use ldfp8 when
5751         splitting unnecessary. Remove predicable attribute. Adjust
5752         itanium_class attribute.
5753         (smuldi3_highpart): Remove outdated comment.
5754         (mulditi3, umulditi3, rotlti3): New expanders.
5755         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5756         (absti2): Disabled new insn for future reference.
5757         Respective new splitters.
5758         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5759         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5760         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5761
5762 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
5763
5764         PR rtl-optimization/23047
5765         * simplify-rtx.c (simplify_const_relational_operation): Respect
5766         flag_wrapv for comparisons with ABS.
5767
5768 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
5769
5770         PR tree-optimization/22493
5771         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5772         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5773
5774 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
5775
5776         * config/frv/frv.opt (moptimize-membar): New.
5777
5778         * doc/invoke.texi: Document -moptimize-membar and its inverse.
5779
5780         * config/frv/frv.h: Remove machine_function definition.
5781
5782         * config/frv/frv.c (struct frv_io): New.
5783         (struct machine_function): Moved from frv.h.  Add has_membar_p.
5784         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5785         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5786         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5787         (frv_optimize_membar_global, frv_optimize_membar): New functions.
5788         (frv_reorg): Call frv_optimize_membar when appropriate.
5789         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5790         (frv_expand_builtin): Adjust calls accordingly.
5791         (frv_io_address_cookie): New function.
5792         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5793         load or store rather than a special insn.  Add ccnstant address and
5794         io-type operands to the membar.
5795         (frv_ifcvt_modify_tests): Unsign regno.
5796         (frv_ifcvt_modify_tests): Same.
5797
5798         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
5799         UNSPEC_OPTIONAL_MEMBAR constant.
5800         (builtin_read_<mode>): Delete.
5801         (builtin_write_<mode>): Delete.
5802         ("optional_membar_<mode>"): Add operand.
5803
5804         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5805         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5806         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5807         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5808         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5809         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5810         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5811         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5812         * testsuite/gcc.target/frv/all-read-write-1.c: New.
5813
5814 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5815
5816         * df.c (df_uses_record): Handle SCRATCH.
5817
5818 2005-07-28  Steven Bosscher  <stevenb@suse.de>
5819
5820         PR debug/20161
5821         * passes.c (rest_of_decl_compilation): If decl is a type and
5822         we have encountered errors, don't emit debug information.
5823
5824 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
5825
5826         * params.def: Fixed comment.
5827
5828 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
5829
5830         PR target/19885
5831         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5832         (TARGET_ASM_UNALIGNED_HI_OP): Add.
5833         (TARGET_ASM_UNALIGNED_SI_OP): Add.
5834
5835 2005-07-27  Steven Bosscher  <stevenb@suse.de>
5836
5837         PR c++/22003
5838         * varasm.c (assemble_start_function): Don't do anything that may
5839         require a CFG if the current function is a thunk.
5840
5841 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
5842
5843         * doc/install.texi (Prerequisites): Mention that perl is needed
5844         to do export control in libstdc++ targetting Darwin.
5845
5846 2005-07-27  Steven Bosscher  <stevenb@suse.de>
5847
5848         PR rtl-optimization/17808
5849         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5850         (sched_insns_conditions_mutex_p): Split out from...
5851         (add_dependence): ...here.  But don't call it from here.
5852         (add_dependence_list): Check sched_insns_conditions_mutex_p
5853         before calling add_dependence.
5854         (add_dependence_list_and_free): Likewise.
5855         (fixup_sched_groups): Likewise.
5856         (sched_analyze_1): Likewise.
5857         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5858         (sched_analyze): Likewise.
5859         (sched_analyze_insn): Likewise.
5860         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5861         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
5862         dependencies on all COND_EXEC insns to jumps ending basic blocks
5863         when doing intrablock scheduling.
5864         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5865
5866 2005-07-27  Jeff Law  <law@redhat.com>
5867
5868         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5869         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
5870         equivalency sets, correctly handle the case were vr0 has an
5871         equivalency set, but vr1 does not.
5872
5873 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
5874
5875         PR tree-optimization/23073
5876         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5877         vect_print_dump_info before fprintf.
5878
5879 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5880
5881         PR tree-optimize/22348
5882         * tree-ssa-loop-niter.c (number_of_iterations_cond):
5883         Fold the partial computation.
5884
5885 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5886
5887         PR tree-optimization/22325
5888         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5889         Declare.
5890         * tree-scalar-evolution.c (scev_const_prop): Add generic final
5891         value replacement.
5892         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5893         (force_var_cost): ... this function.
5894         (compute_phi_arg_on_exit): Export.
5895
5896 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
5897
5898         PR tree-optimization/20773
5899         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5900         edge.
5901
5902 2005-07-27  Richard Guenther  <rguenther@suse.de>
5903
5904         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5905         Avoid pushing again if current struct contains only
5906         fields we decomposed.
5907
5908 2005-07-27  Jan Hubicka  <jh@suse.cz>
5909
5910         PR tree-optimization/22574
5911         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5912         not available.
5913
5914         * tree-tailcall.c (decrease_profile): New function.
5915         (eliminate_tail_call): Use it.
5916
5917         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5918         visibility flags correctly in whole program mode.
5919
5920 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
5921
5922         PR rtl-optimization/22472
5923         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5924
5925 2005-07-26  Steven Bosscher  <stevenb@suse.de>
5926
5927         PR tree-optimization/22504
5928         * tree-complex.c (expand_complex_addition): Use 'code' instead
5929         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5930
5931 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5932
5933         * config.gcc (cpu_type): Add frv case.
5934         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5935         (supported_defaults): Add fr550 case.
5936
5937 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
5938
5939         PR 22591
5940         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5941         whether a pointer of type T * may point to objects of type T *.
5942
5943 2005-07-26  DJ Delorie  <dj@redhat.com>
5944
5945         * configure: Regenerate.
5946
5947 2005-07-26  Dale Johannesen  <dalej@apple.com>
5948
5949         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
5950
5951 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
5952
5953         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5954         Clarify use of "build" in name.
5955
5956 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
5957
5958         * doc/extend.texi (Raw read/write Functions): New section.
5959         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5960         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5961         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5962         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5963         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5964         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5965         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5966         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5967         * config/frv/frv.c: Add bdesc_loads global.
5968         Add bdesc_stores global.
5969         (frv_init_builtins): Add support for __builtin_{read/write}*.
5970         (frv_volatile_memref): New.
5971         (frv_expand_load_builtin): New.
5972         (frv_expand_store_builtin): New.
5973         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5974         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5975         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5976         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5977         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5978         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5979         (builtin_read_<mode>): New.
5980         (builtin_write_<mode>): New.
5981         (builtin_write64): New.
5982         (optional_membar_<mode>): New.
5983
5984 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
5985
5986         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5987         (rather than units) against HOST_BITS_PER_WIDE_INT.
5988
5989 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
5990
5991         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5992         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5993         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5994         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5995         FSF address.
5996
5997         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5998         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5999         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6000         comment typos.
6001         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6002
6003 2005-07-26  Richard Guenther  <rguenther@suse.de>
6004
6005         PR tree-optimization/22486
6006         * fold-const.c (fold_unary): Fold away useless component
6007         references of the form (T *)&T.x, if the address
6008         doesn't change.
6009
6010 2005-07-25  James E Wilson  <wilson@specifixinc.com>
6011
6012         * dwarf2out.c (add_call_src_coords_attributes): New.
6013         (gen_inlined_subroutine_die): Call it.
6014         (maybe_emit_file, init_file_table): Add comments.
6015         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6016         maybe_emit_file.
6017         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6018         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6019         * tree.h (BLOCK_SOURCE_LOCATION): New.
6020         (struct tree_block): New field locus.
6021
6022 2005-07-26  Andreas Schwab  <schwab@suse.de>
6023
6024         PR rtl-optimization/23043
6025         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6026         when allocating a struct unoccr.
6027
6028 2005-07-25  Richard Henderson  <rth@redhat.com>
6029
6030         PR 22626
6031         * tree-complex.c (gate_no_optimization): True if errors.
6032         * Makefile.in (tree-complex.o): Update dependencies.
6033
6034 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
6035
6036         * config/frv/predicates.md (integer_register_operand): Use
6037         GPR_AP_OR_PSEUDO_P.
6038
6039 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6040
6041         PR tree-opt/22484
6042         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6043         after fold.
6044         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6045
6046 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
6047
6048         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6049         types when flag_unsafe_math_optimizations is true.
6050
6051 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
6052
6053         * gcc.c (option_map): Add --sysroot.
6054         (process_command): Handle --sysroot.
6055         (display_help): Document it.
6056         * doc/cppopts.tex (-isysroot): Document.
6057         * doc/invoke.texi (--sysroot): Document.
6058         * doc/install.texi (--with-build-sysroot): Document.
6059
6060         * Makefile.in (inhibit_libc): New variable.
6061         (INHIBIT_LIBC_CFLAGS): Likewise.
6062         (LIBGCC2_CFLAGS): Include
6063         $(INHIBIT_LIBC_CFLAGS).
6064         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6065         ($(T)crtbegin.o): Do not use @inhibit_libc@.
6066         ($(T)crtend.o): Likewise.
6067         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6068         ($(T)crtendS.o): Likewise.
6069         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6070         ($(T)crtendT.o): Likewise.
6071         (stmp-fixinc): Do not complain about missing headers if
6072         inhibit_libc.
6073         * configure.ac (inhibit_libc): Set it to true/false.
6074         (--with-build-sysroot): New option.  Use it to set
6075         SYSTEM_HEADER_DIR.
6076         * configure: Regenerated.
6077
6078 2005-07-25  Manfred Hollstein  <mh@suse.com>
6079
6080         * calls.c (store_one_arg): Fix unsigned comparison warning.
6081
6082 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6083
6084         PR other/22337
6085         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6086         (ggc_print_statistics): Initialize variable before use.
6087
6088 2005-07-25  Richard Guenther  <rguenther@suse.de>
6089
6090         * tree-dfa.c (mark_new_vars_to_rename): Protect against
6091         calling with a PHI_NODE argument.
6092
6093         * tree-flow-inline.h (overlap_subvar): Protect against
6094         possible overflow.
6095
6096 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
6097
6098         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6099         * configure: Regenerate.
6100
6101 2005-07-25  Ira Rosen  <irar@il.ibm.com>
6102
6103         * expr.c (highest_pow2_factor): Make extern.
6104         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6105         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6106         record_array_differ_p, array_ptr_differ_p): Likewise.
6107         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6108         additional cases. Call the above functions.
6109         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6110         base_object_differ_p when there are two base objects. Otherwise, compare
6111         base address and offset. Call may_alias_p.
6112         (dump_data_reference): Use a correct field name.
6113         (analyze_array): Make static. Initialize new data-ref fields.
6114         (analyze_indirect_ref): New function.
6115         (init_data_ref): Initialize new data-ref fields.
6116         (strip_conversion): Moved from tree-vect-analyze.c.
6117         (analyze_offset_expr, get_ptr_offset, address_analysis,
6118         object_analysis): Likewise.
6119         (analyze_offset): New function.
6120         (create_data_ref): Likewise.
6121         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6122         dimensions for ARRAY_REFs only.
6123         (build_classic_dist_vector): Make static.
6124         (access_functions_are_affine_or_constant_p): Call macro to get the
6125         address of access functions.
6126         (compute_all_dependences): Add new parameter
6127         compute_self_and_read_read_dependences. Compute self and read-read
6128         dependences if it is true.
6129         (find_data_references_in_loop): Call create_data_ref. Initialize new
6130         data-ref fields.
6131         (compute_data_dependences_for_loop): Add new parameter
6132         compute_self_and_read_read_dependences. Remove parameter nb_loops,
6133         compute nb_loops. Call compute_all_dependences,
6134         build_classic_dist_vector and build_classic_dir_vector with correct
6135         parameters.
6136         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6137         with correct parameters. Compare dimensions for ARRAY_REFs only.
6138         (free_data_refs): Call macro to free access functions.
6139         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6140         fields from stmt_vinfo.
6141         (struct base_object_info): New structure.
6142         (struct data_reference): Move fields to base_object_info. Add fields
6143         first_location and object_info for above structures. Move fields from
6144         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6145         aligned_to.  Add macros to access the new fields.
6146         Update functions declarations.
6147         * tree-flow.h (is_aliased_with): Declare.
6148         * tree-loop-linear.c (linear_transform_loops): Call
6149         compute_data_dependences_for_loop with correct parameters.
6150         * tree-ssa-alias.c (is_aliased_with): New function.
6151         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6152         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6153         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6154         vect_base_addr_differ_p, compute_subscript_distance and
6155         build_classic_dist_vector. Add printings. Check absolute value of
6156         distance.
6157         (vect_analyze_data_ref_dependences): Go through ddrs instead of
6158         data-refs.
6159         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6160         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6161         to bytes. Add printing.
6162         (vect_compute_data_refs_alignment): Go through loads and stores in one
6163         loop.
6164         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6165         vect_analyze_data_ref_access): Likewise.
6166         (vect_analyze_pointer_ref_access): Remove.
6167         (vect_address_analysis, vect_object_analysis): Likewise.
6168         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6169         and analyze data-refs in the loop.
6170         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6171         fields of data-ref instead of stmt. Add init to the offset from the
6172         base.
6173         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6174         (vect_update_init_of_dr): Likewise.
6175         (vect_update_inits_of_drs): Go through loads and stores in one loop.
6176         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6177         removed fields.
6178         (new_loop_vec_info): Initialize new fields.
6179         (destroy_loop_vec_info): Free new fields.
6180         (vect_strip_conversion): Remove.
6181         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6182         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6183         datarefs. Add new field ddrs.
6184         Add macros for the new fields access.
6185         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6186         base_aligned_p, misalignment, memtag, ptr_info and subvars.
6187         Remove their macros.
6188         * tree.h (highest_pow2_factor): Declare.
6189
6190 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
6191
6192         * calls.c (store_one_arg): Check for sibling call MEM arguments
6193         from already clobbered incoming argument area.
6194
6195 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6196
6197         * c-common.c (check_missing_format_attribute): New.
6198         * c-common.h (check_missing_format_attribute): Likewise.
6199         * c-typeck.c (convert_for_assignment): Use it.
6200
6201 2005-07-24  Andreas Schwab  <schwab@suse.de>
6202
6203         * config/m68k/m68k.md ("extendqidi2"): When source is an address
6204         register use a word move.  Correct operand of ext.w in 68000 code.
6205
6206 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
6207
6208         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6209         variables as declarations, rather than definitions.
6210
6211 2005-07-24  Ira Rosen  <irar@il.ibm.com>
6212
6213         PR tree-optimization/22526
6214         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6215         of the zero node.
6216
6217 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6218
6219         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6220         that C99 reserve for future use. Use it to define clog10,
6221         clog10f and clog10l.
6222
6223 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6224
6225         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6226         * configure.ac: Check for -Wmissing-format-attribute.
6227
6228         * configure: Regenerate.
6229
6230 2005-07-23  Richard Henderson  <rth@redhat.com>
6231
6232         PR tree-optimization/22623
6233         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6234
6235 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
6236
6237         PR target/22577
6238         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6239
6240 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6241
6242         * Makefile.in (C_TREE_H): Update dependencies.
6243         * c-tree.h: Include toplev.h.
6244         * diagnostic.h (diagnostic_set_info): Add format attribute.
6245         * rtl-error.c (diagnostic_for_asm): Likewise.
6246
6247 2005-07-23  Chao-ying Fu  <fu@mips.com>
6248
6249         * config/mips/mips-dsp.md: New file.
6250         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6251         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6252         functions.
6253         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6254         MIPS_BUILTIN_BPOSGE32.
6255         (mips_expand_builtin_direct): Add one parameter to indicate that
6256         builtin functions need to return a value.
6257         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6258         functions.
6259         (mips_regno_to_class): Add classes for 12 new DSP registers.
6260         (mips_subword): Change to check four HI registers.
6261         (mips_output_move): Output move to and from 6 new DSP accumulators.
6262         (override_options): Make sure -mdsp and -mips16 are not used together.
6263         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
6264         for machine modes.
6265         (mips_conditional_register_usage): Disable 6 new DSP accumulators
6266         when !TARGET_DSP.
6267         (print_operand): Add 'q' for printing DSP accumulators.
6268         (mips_cannot_change_mode_class): Check ACC_REGS.
6269         (mips_secondary_reload_class): Check ACC_REGS.
6270         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6271         (mips_register_move_cost): Check ACC_REGS.
6272         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6273         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6274         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6275         (dsp_bdesc): New array.
6276         (bdesc_arrays): Add DSP builtin function table.
6277         (mips_prepare_builtin_arg): Check predicate again after
6278         copy_to_mode_reg.
6279         (mips_expand_builtin): Add one more parameter to
6280         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6281         MIPS_BUILTIN_BPOSGE32.
6282         (mips_init_builtins): Initialize new function types.
6283         (mips_expand_builtin_direct): Check if builtin functions need to
6284         return a value and pass operands properly.
6285         (mips_expand_builtin_bposge): New function.
6286         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6287         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6288         (FIRST_PSEUDO_REGISTER): Increase to 188.
6289         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6290         Update for 12 new DSP registers.
6291         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6292         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6293         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6294         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6295         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6296         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6297         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6298         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6299         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6300         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6301         (REGISTER_NAMES): Add names for 12 new DSP registers.
6302         * config/mips/mips.md: Include mips-dsp.md.
6303         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6304         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6305         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6306         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6307         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6308         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6309         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6310         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6311         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6312         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6313         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6314         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6315         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6316         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6317         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6318         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6319         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6320         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6321         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6322         (UNSPEC_RDDSP): New constants.
6323         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6324         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
6325         A<-d alternative.
6326         * config/mips/mips.opt (-mdsp): New option.
6327         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6328         (reg_imm10_operand): New predicates.
6329         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6330         * doc/invoke.texi (-mdsp): Document new option.
6331
6332 2005-07-22  DJ Delorie  <dj@redhat.com>
6333
6334         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6335         to warning calls.
6336         * tree-inline.c (inlinable_function_p): Likewise.
6337
6338 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
6339
6340         PR debug/21828
6341         * toplev.c (check_global_declarations): Do not mark undefined
6342         variables as DECL_IGNORED_P.
6343         * varasm.c (first_global_object_name): GTY it.
6344         (weak_global_object_name): Likewise.
6345         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6346         a string to go into {weak,first}_global_object_name.
6347
6348 2005-07-22  DJ Delorie  <dj@redhat.com>
6349
6350         * c-format.c (check_function_format): Change warning control
6351         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6352
6353 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
6354
6355         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6356         &PTR->FLD a dereference of PTR.
6357         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6358         a potential dereference of PTR.
6359
6360 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
6361
6362         PR rtl-optimization/20370
6363         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6364         call allocate_reg_info if necessary.
6365
6366         PR rtl-optimization/21848
6367         * calls.c (emit_library_call_value_1): For const functions, add
6368         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6369
6370         PR rtl-optimization/22445
6371         * cselib.c (target.h): Include.
6372         (rtx_equal_for_cselib_p): Allow commutative matches.
6373         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6374         Remove MODE parameter.  Changed all callers.
6375
6376         PR rtl-optimization/22258
6377         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6378         New functions.
6379         (try_combine): Use likely_spilled_retval_p.
6380
6381 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
6382
6383         * config.gcc: Add crx-elf support.
6384
6385         * doc/contrib.texi: Mention crx.
6386         * doc/extend.texi: Document crx extensions.
6387         * doc/install.texi: Document crx install.
6388         * doc/invoke.texi: Document crx options.
6389         * doc/md.texi: Document crx constraints.
6390
6391         * config/crx/crx-protos.h: New file.
6392         * config/crx/crx.c: New file.
6393         * config/crx/crx.h: New file.
6394         * config/crx/crx.md: New file.
6395         * config/crx/crx.opt: New file.
6396         * config/crx/t-crx: New file.
6397
6398 2005-07-22  Manfred Hollstein  <mh@suse.com>
6399
6400         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6401         warnings.
6402         (int_add_graph_edge): Likewise.
6403         (collapse_nodes): Likewise.
6404         (process_unification_queue): Likewise.
6405
6406 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6407             Laurent GUERBY  <laurent@guerby.net>
6408
6409         PR tree-optimization/22336
6410         * function.c (record_block_change): Check for
6411         cfun->ib_boundaries_block.
6412
6413 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
6414
6415         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6416         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6417
6418 2005-07-21  DJ Delorie  <dj@redhat.com>
6419
6420         * toplev.c (warn_deprecated_use): Add warning control to warning
6421         call.
6422         * c-typeck.c (parser_build_binary_op): Likewise.
6423         (c_finish_if_stmt): Likewise.
6424         * c-common.c (check_function_sentinel): Likewise.
6425         (check_nonnull_arg): Likewise.
6426
6427 2005-07-21  Richard Henderson  <rth@redhat.com>
6428
6429         PR tree-opt/22504
6430         * tree-complex.c (complex_ssa_name_components): New.
6431         (cvc_lookup): Allow entry not found.
6432         (create_components): Remove.
6433         (create_one_component_var, get_component_var): New.
6434         (get_component_ssa_name, set_component_ssa_name): New.
6435         (extract_component): Use get_component_ssa_name.
6436         (update_complex_components): Use set_component_ssa_name.
6437         (update_complex_components_on_edge): Likewise.
6438         (update_phi_components): Create new PHI nodes directly, instead
6439         of adding insns to edges.
6440         (tree_lower_complex): Allocate and free complex_variable_components
6441         and complex_ssa_name_components here.
6442
6443 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
6444
6445         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6446         revert to returning false.
6447
6448 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6449
6450         PR target/21149
6451         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6452
6453 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
6454
6455         PR target/22576
6456         * config/i386/i386.md (cmpxf): Change operand constraints
6457         to "nonmemory_operand".
6458
6459 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6460
6461         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6462
6463 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6464
6465         PR middle-end/21180
6466         * fold-const.c (fold_build1): Add checksum for the operands.
6467         (fold_build2): Likewise.
6468         (fold_build3): Likewise.
6469
6470 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
6471
6472         PR middle-end/19055
6473         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6474
6475 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6476
6477         * common.opt (-fforward-propagate): Committed by mistake,
6478         removed.
6479
6480 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6481
6482         * reg-stack.c: Fix comment typo(s).
6483         * tree-ssa-operands.c: Likewise.
6484         * tree-vectorizer: Likewise.
6485
6486 2005-07-21  Nick Clifton  <nickc@redhat.com>
6487
6488         * config/sh/symbian.c: Replace C++ style line comments with C
6489         style line comments.
6490         (symbian_add_attribute): Do not use a ? operator on the LHS of
6491         an assignment.
6492         (sh_symbian_handle_dll_attribute): Change the type of the
6493         method vector to "VEC(tree,gc)*" and use vector accessor
6494         macros to walk over the elements.
6495         (symbian_export_vtable_and_rtti_p): Likewise.
6496         (symbian_class_needs_attribute_p): Likewise.
6497
6498 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6499
6500         PR target/22085
6501         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6502         initialize targetm.resolve_overloaded_builtin here.
6503         (altivec_expand_overloaded_builtin): Make it non-static.
6504         * config/rs6000/rs6000-protos.h
6505         (altivec_expand_overloaded_builtin): New prototype.
6506         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6507         targetm.resolve_overloaded_builtin here.
6508         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6509
6510 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
6511             Zdenek Dvorak  <dvorakz@suse.cz>
6512
6513         PR tree-optimization/19210
6514         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6515         New.
6516         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6517         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6518         rely on unproven assumptions.
6519         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6520         * tree-flow.h (number_of_iterations_exit): Add final parameter.
6521         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6522         to number_of_iterations_exit.
6523         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6524         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6525         * tree-ssa-loop-niter.c (find_loop_niter,
6526         estimate_numbers_of_iterations_loop): Likewise.
6527         (number_of_iterations_exit): Honor the new options.
6528         * doc/invoke.texi (Wunsafe-loop-optimizations,
6529         funsafe-loop-optimizations): Document them.
6530
6531 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
6532
6533         PR rtl-optimization/22167
6534         * gcse.c (hoist_code): Fix hoist_exprs[] check.
6535
6536 2005-07-20  Adam Nemet  <anemet@lnxw.com>
6537
6538         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6539         __do_global_dtors_aux longcall.
6540
6541 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
6542
6543         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6544         (old_special_pred_table): Don't reference
6545         SPECIAL_MODE_PREDICATES.
6546         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6547         * config/arc/arc.h: Don't mention PREDICATE_CODES.
6548         * config/sh/predicates.h: Don't mention
6549         SPECIAL_MODE_PREDICATES.
6550         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6551         Remove.
6552
6553 2005-07-20  DJ Delorie  <dj@redhat.com>
6554
6555         * config.gcc: Add m32c-elf support.
6556
6557         * doc/contrib.texi: Mention m32c.
6558         * doc/extend.texi: Document m32c extensions.
6559         * doc/install.texi: Mention m32c.
6560         * doc/invoke.texi: Document m32c options.
6561         * doc/md.texi: Document m32c constraints.
6562
6563         * config/m32c/addsub.md: New file.
6564         * config/m32c/bitops.md: New file.
6565         * config/m32c/cond.md: New file.
6566         * config/m32c/jump.md: New file.
6567         * config/m32c/m32c-lib1.S: New file.
6568         * config/m32c/m32c-lib2.c: New file.
6569         * config/m32c/m32c-modes.def: New file.
6570         * config/m32c/m32c-pragma.c: New file.
6571         * config/m32c/m32c-protos.h: New file.
6572         * config/m32c/m32c.abi: New file.
6573         * config/m32c/m32c.c: New file.
6574         * config/m32c/m32c.h: New file.
6575         * config/m32c/m32c.md: New file.
6576         * config/m32c/m32c.opt: New file.
6577         * config/m32c/minmax.md: New file.
6578         * config/m32c/mov.md: New file.
6579         * config/m32c/muldiv.md: New file.
6580         * config/m32c/predicates.md: New file.
6581         * config/m32c/prologue.md: New file.
6582         * config/m32c/shift.md: New file.
6583         * config/m32c/t-m32c: New file.
6584
6585 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6586
6587         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6588         (stack_protect_set, stack_protect_test): New expanders.
6589         (stack_protect_set_si, stack_protect_set_si_media,
6590         stack_protect_set_di_media, stack_protect_test_si,
6591         stack_protect_test_si_media, stack_protect_test_di_media):
6592         New insns.
6593
6594 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
6595
6596         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6597
6598 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
6599
6600         * tree.h (tree_expr_nonzero_p): Export.
6601         * fold-const.c (tree_expr_nonzero_p): Likewise.
6602         Return true for CALL_EXPRs that are alloca calls.
6603         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6604         against zero.
6605         * tree-flow.h (expr_computes_nonzero): Remove.
6606         * tree-vrp.c (expr_computes_nonzero): Remove.
6607         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6608         (extract_range_from_unary_expr): Likewise.
6609         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6610         tree_expr_nonzero_p.
6611
6612 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
6613
6614         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6615         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
6616         extra arg "picreg" and use it instead of pic_offset_table_rtx.
6617         All callers changed.
6618         (frame_related_constant_load): New arg "related" which controls
6619         setting of RTX_FRAME_RELATED_P.  All callers changed.
6620         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6621         (bfin_expand_prologue): Add stack limit checking.
6622         * config/bfin/bfin.md (trapifcc): New pattern.
6623
6624         * config/bfin/bfin.c: Include "langhooks.h".
6625         (def_builtin): Go through lang_hooks to call builtin_function.
6626
6627         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6628         * config/bfin/predicates.md (symbol_ref_operand): New.
6629         (call_insn_operand): Delete.  All callers changed to use
6630         register_no_elim_operand.
6631         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6632         call_cookie field.
6633         (function_arg): Use it to generate the call's operand 2.
6634         (bfin_longcall_p): New function.
6635         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
6636         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
6637         determine if the address needs to be in a REG.
6638         (bfin_handle_longcall_attribute): New function.
6639         (bfin_attribute_table): Add "longcall" and "shortcall".
6640         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6641         (CUMULATIVE_ARGS): New member call_cookie.
6642         (PREDICATE_CODES): Add symbol_ref_operand.
6643         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6644         extra USE to the pattern.
6645         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6646         New patterns, split off call_insn, sibcall_insn, call_value_insn and
6647         sibcall_value_insn; now the new patterns handle direct calls and the
6648         old ones indirect calls.
6649         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6650
6651 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
6652
6653         * doc/trouble.texi: Update section on handling of empty loops.
6654
6655 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
6656
6657         * config.gcc: Remove support for sparc-*-openbsd*,
6658         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6659         ns32k-*-netbsd*.
6660         * config.host: Remove support for i860-*-sysv4* as a host.
6661         * config/i860/*, config/ip2k/*, config/ns32k/*,
6662         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6663         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6664         mention obsolete ports.
6665
6666 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6667
6668         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6669         soft frame pointer.
6670         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6671         of frame_pointer_rtx.
6672         (sh_expand_epilogue): Likewise.
6673         (sh_set_return_address): Likewise.
6674         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6675         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
6676         offsets from FRAME_POINTER_REGNUM.
6677         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6678         (sh_register_names): Add initializer for sfp.
6679         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6680         (VALID_REGISTER_P): Likewise.
6681         (FIRST_PSEUDO_REGISTER): Update.
6682         (DWARF_FRAME_REGISTERS): Define.
6683         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6684         (HARD_FRAME_POINTER_REGNUM): Define.
6685         (FRAME_POINTER_REGNUM): Redefine.
6686         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6687         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
6688         from FRAME_POINTER_REGNUM.
6689         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6690         FRAME_POINTER_REGNUM.
6691         (REG_CLASS_CONTENTS): Add sfp.
6692         (REG_ALLOC_ORDER): Likewise.
6693         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
6694         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6695         of frame_pointer_rtx.
6696         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6697
6698 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
6699
6700         * fold-const.c (tree_expr_nonnegative_p): Only return true for
6701         ABS_EXPR when flag_wrapv is false because of INT_MIN.
6702         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6703         of an ABS_EXPR.
6704         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6705         ABS_EXPR<x>.
6706
6707 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
6708
6709         Make CONSTRUCTOR use VEC to store initializers.
6710         * c-common.c (complete_array_type): Update to cope with VEC in
6711         CONSTRUCTOR_ELTS.
6712         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6713         (pp_c_constructor_elts): New function.
6714         * c-pretty-print.h (pp_c_constructor_elts): Declare.
6715         * c-typeck.c (build_function_call, build_c_cast, digest_init,
6716         struct constructor_stack, struct initializer_stack,
6717         constructor_elements, push_init_level, pop_init_level,
6718         add_pending_init, find_init_member, output_init_element): Update to
6719         cope with VEC in CONSTRUCTOR_ELTS.
6720         * coverage.c (build_fn_info_value, build_ctr_info_value,
6721         build_gcov_info): Likewise.
6722         * expr.c (categorize_ctor_elements_1, store_constructor,
6723         expand_expr_real_1): Likewise.
6724         * fold-const.c (fold_ternary): Likewise.
6725         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6726         gimplify_init_constructor, gimplify_expr): Likewise.
6727         * tree-dump.c (dequeue_and_dump): Likewise.
6728         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6729         node.
6730         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6731         CONSTRUCTOR_ELTS.
6732         * tree-sra.c (generate_element_init_1): Likewise.
6733         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6734         * tree-ssa-operands.c (get_expr_operands): Likewise.
6735         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6736         * tree-vect-transform.c (vect_get_vec_def_for_operand):
6737         (get_initial_def_for_reduction): Likewise.
6738         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6739         value handle in annotations.
6740         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6741         tree_node_structure): Add support for constr_kind.
6742         (build_vector_from_ctor, build_constructor_single,
6743         build_constructor_from_list): New functions.
6744         (build_constructor): Update to take a VEC instead of a TREE_LIST.
6745         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6746         Update to cope with VEC in CONSTRUCTOR_ELTS.
6747         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6748         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6749         CONSTRUCTOR_APPEND_ELT): New macros.
6750         (struct constructor_elt, struct tree_constructor): New data types.
6751         (union tree_node): Add tree_constructor field.
6752         * treestruct.def: Define TS_CONSTRUCTOR.
6753         * varasm.c (const_hash_1, compare_constant, copy_constant,
6754         compute_reloc_for_constant, output_addressed_constants,
6755         initializer_constant_valid_p, output_constant,
6756         array_size_for_constructor, output_constructor): Update to cope with
6757         VEC in CONSTRUCTOR_ELTS.
6758         * vec.h (VEC_empty, VEC_copy): New macros.
6759
6760 2005-07-19  Devang Patel  <dpatel@apple.com>
6761
6762         * dbxout.c (dbxout_type): Check Objective-C++ lang.
6763
6764 2005-07-19  Richard Henderson  <rth@redhat.com>
6765
6766         PR tree-opt/22278
6767         * gimplify.c (gimplify_expr): Use main variant type for the temp
6768         destination for a discarded volatile read.
6769         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6770         casts between non-void types that change volatility.
6771
6772 2005-07-15  DJ Delorie  <dj@redhat.com>
6773
6774         * toplev.h: Add comment about the first parameter for warning().
6775         * errors.h: Likewise.
6776
6777         * c.opt (Wpragmas): New.
6778         * doc/invoke.texi: Document it.
6779
6780         * function.c (do_warn_unused_parameter): Add warning control to
6781         warning call.
6782         * c-decl.c (warn_if_shadowing): Likewise.
6783         * c-lex.c (cb_def_pragma): Likewise.
6784         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6785         (pop_alignment): Likewise.
6786         (handle_pragma_pack): Likewise.
6787         (apply_pragma_weak): Likewise.
6788         (handle_pragma_weak): Likewise.
6789         (handle_pragma_redefine_extname): Likewise.
6790         (add_to_renaming_pragma_list): Likewise.
6791         (handle_pragma_extern_prefix): Likewise.
6792         (maybe_apply_renaming_pragma): Likewise.
6793         (handle_pragma_visibility): Likewise.
6794
6795         * config/c4x/c4x-c.c (BAD): Likewise.
6796         (c4x_parse_pragma): Likewise.
6797         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6798         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6799         (rs6000_pragma_longcall): Likewise.
6800         * config/v850/v850-c.c (pop_data_area): Likewise.
6801         (ghs_pragma_section): Likewise.
6802         (ghs_pragma_section): Likewise.
6803         (ghs_pragma_interrupt): Likewise.
6804         (ghs_pragma_starttda): Likewise.
6805         (ghs_pragma_startsda): Likewise.
6806         (ghs_pragma_startzda): Likewise.
6807         (ghs_pragma_endtda): Likewise.
6808         (ghs_pragma_endsda): Likewise.
6809         (ghs_pragma_endzda): Likewise.
6810
6811 2005-07-19  Danny Berlin <dberlin@dberlin.org>
6812             Kenneth Zadeck <zadeck@naturalbridge.com>
6813
6814         * Makefile.in: Removed tree-promote-statics.c
6815         * tree-promote-statics.c: Removed.
6816         * common.opt: Removed flag-promote-statics.
6817         * opts.c: Ditto.
6818         * passes.c: Removed tree-promote-statics pass.
6819         * tree-pass.h: Ditto.
6820         * timevar.def: Removed TV_PROMOTE_STATICS.
6821
6822
6823 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
6824
6825         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6826         and *-*-freebsd9.
6827         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6828
6829 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6830
6831         PR c/22476
6832         * c-common.c (check_function_arguments): Call
6833         'check_function_format' if either -Wformat or
6834         -Wmissing-format-attribute are specified.
6835         * c-format.c (check_function_format): Check -Wformat before
6836         calling 'check_format_info'.
6837         * c-opts.c (c_common_post_options): Don't warn for
6838         -Wmissing-format-attribute without -Wformat.
6839         * c-typeck.c (convert_for_assignment): Detect additional cases for
6840         -Wmissing-format-attribute.
6841         * doc/invoke.texi (-Wmissing-format-attribute): Document new
6842         behavior.
6843
6844 2005-07-19  Richard Guenther  <rguenther@suse.de>
6845
6846         * config/i386/i386.md (lrint<mode>2): Use temporary
6847         instead of clobbering non-existent memory.
6848
6849 2005-07-19  Nick Clifton  <nickc@redhat.com>
6850
6851         * config/avr/avr.c (legitimate_address_p): Fix debugging print
6852         statement to avoid displaying ASCII control characters.
6853
6854 2005-07-19  Ben Elliston  <bje@au.ibm.com>
6855
6856         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6857         * cfganal.c (find_edge_index): Ditto.
6858         * combine.c (combine_instructions): Ditto.
6859         * ddg.c (create_scc): Ditto.
6860         (find_successors): Ditto.
6861         (find_predecessors): Ditto.
6862         (find_nodes_on_paths): Ditto.
6863         (longest_simple_path): Ditto.
6864         * flow.c (update_life_info): Ditto.
6865         (count_or_remove_death_notes): Ditto.
6866         (clear_log_links): Ditto.
6867         * modulo-sched.c (generate_reg_moves): Ditto.
6868         (find_max_asap): Ditto.
6869         (find_max_hv_min_mob): Ditto.
6870         (find_max_dv_min_mob): Ditto.
6871         * sbitmap.c (sbitmap_first_set_bit): Ditto.
6872         * sched-rgn.c (extract_edgelst): Ditto.
6873         * tree-into-ssa.c (prepare_names_to_update): Ditto.
6874         (dump_update_ssa): Ditto.
6875         (ssa_names_to_replace) Ditto.
6876         (switch_virtuals_to_full_rewrite): Ditto.
6877         (update_ssa): Ditto.
6878         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6879
6880 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
6881
6882         Fix PR tree-optimization/22483
6883
6884         * tree-complex.c (create_components): Use
6885         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6886         * tree-flow-inline.h (fill_referenced_var_vec): New function.
6887         * tree-flow.h (safe_referenced_var_iterator): New structure.
6888         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6889         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6890         safe_referenced_var iterator.
6891         (add_type_alias): Ditto.
6892
6893 2005-07-19  Steven Bosscher  <stevenb@suse.de>
6894
6895         * loop-init.c (rest_of_handle_loop2): Remove.
6896         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6897         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6898         (pass_rtl_loop_init, pass_rtl_loop_done,
6899         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6900         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6901         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6902         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6903         pass_tree_loop_done, and pass_tree_unswitch.
6904         (gate_loop): Rename to gate_tree_loop.
6905         * passes.c (init_optimization_passes): Update for renamed tree
6906         loop passes.  Add the new loop2 passes as subpasses of loop2.
6907         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6908         Update for the renamed tree loop passes.
6909
6910 2005-07-18  Ian Lance Taylor  <ian@airs.com>
6911
6912         PR middle-end/22057
6913         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6914         blocks when optimizing.
6915
6916 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
6917
6918         * common.opt (frename-registers): Initialize to 2.
6919         (fweb): Ditto.
6920         (fgcse-after-reload): Ditto.
6921         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6922         (process_options): Only change flag_web, flag_rename_registers,
6923         and flag_rerun_cse_after_loop if not explicitly set by user.
6924
6925 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6926
6927         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6928         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6929         in 64-bit mode the same as DImode in 32-bit mode.
6930         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6931         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6932         mode. Add new mode parameter.
6933         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6934         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6935         x86_64_shift_adj): New expanders.
6936         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6937         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6938         insns.
6939         Respective new splitters. Use renamed shift splitter helpers in 32-bit
6940         DImode shift splitters.
6941         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6942         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6943         mode parameter.
6944
6945 2005-07-18  Jan Beulich  <jbeulich@novell.com>
6946
6947         * i386.md (movdi_extzv_1): New.
6948         (zero_extendhidi2): Combine alternatives and never force use of
6949         REX64 prefix.
6950         (zero_extendqidi2): Likewise. Don't restrict input selection.
6951
6952 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6953
6954         Fix PR tree-optimization/22531
6955         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
6956          moment.
6957
6958 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6959
6960         * tree-promote-statics.c (pass_promote_statics): Change dump file
6961          name.
6962
6963 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
6964
6965         * tree-optimize.c (init_tree_optimization_passes): Add
6966         pass_eliminate_useless_stores pass.
6967         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6968         * tree-ssa-pre.c (is_copy_stmt): New function.
6969         (follow_copies_till_vuse): Ditto.
6970         (do_eustores): Ditto.
6971         (gate_eustores): Ditto.
6972
6973 2005-07-16  Richard Henderson  <rth@redhat.com>
6974
6975         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6976
6977 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6978            Kenneth Zadeck <zadeck@naturalbridge.com>
6979
6980         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6981         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6982         ipa-type-escape.h, tree-promote-statics.c
6983         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6984         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6985         tree-promote-statics.c: new files.
6986         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6987         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6988         int nonlocal_set_p, mark_constant_function): Deleted.
6989         (rest_of_handle_cfg): Removed call to mark_constant_function.
6990         (nonoverlapping_component_refs_p): Added calls to support
6991         type based aliasing.
6992         * tree-ssa-alias.c (may_alias_p,
6993         compute_flow_insensitive_aliasing): Ditto.
6994         * calls.c (flags_from_decl_or_type): Removed reference to
6995         cgraph_rtl_info.
6996         * c-typeck.c (convert_arguments): Make builtins tolerant of having
6997         too many arguments.  This is necessary for Spec 2000.
6998         * cgraph.h (const_function, pure_function): Removed.
6999         * common.opt: Added "fipa-pure-const", "fipa-reference",
7000         "fipa-type-escape", and "ftree-promote-static".
7001         * opts.c: Ditto.
7002         * passes.c: Added ipa and tree-promote-statics passes.
7003         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7004         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7005         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7006         * tree-flow.h: Added exposed sra calls and addition of
7007         reference_vars_info field for FUNCTION_DECLS.
7008         * tree-pass.h: Added passes.
7009         * tree-sra.c: (sra_init_cache): New function.
7010         (sra_insert_before, sra_insert_after) Made public.
7011         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7012         and made public.
7013         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7014         aliasing. (may_alias_p): Added code to use type escape analysis to
7015         improve alias sets.
7016         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7017         code to prune clobbers of static variables based on information
7018         produced in ipa-reference pass.  Changed call clobbering so that
7019         statics are not marked as clobbered if the call does not clobber
7020         them.
7021
7022 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
7023
7024         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7025         too.
7026
7027 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7028
7029         * doc/install.texi (*-*-solaris2*): Document recommended version
7030         of GNU binutils and mention GNU linker problem on Solaris 10.
7031
7032 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
7033
7034         PR c/22421
7035         * c-decl.c (c_build_bitfield_integer_type): New function.
7036         (finish_struct): Call it.
7037         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7038
7039 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7040
7041         * c-typeck.c (digest_init): Call 'convert_for_assignment'
7042         before returning.
7043
7044 2005-07-16  Jan Hubicka  <jh@suse.cz>
7045
7046         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7047         (scale_bbs_frequencies_int): Watch roundoff errors.
7048         * predict.c (return_prediction): Initialize return_stmt.
7049
7050 2005-07-16  Jan Hubicka  <jh@suse.cz>
7051
7052         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7053         after RTL profiling.
7054
7055 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
7056
7057         PR middle-end/22398
7058         * fold-const.c (build_range_check): Convert high/low to etype
7059         if we are only comparing against exp.
7060
7061 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
7062
7063         Fix PR tree-optimization/22376
7064         * tree-ssa-structalias.c (build_constraint_graph): We really meant
7065         special var here.
7066         (need_to_solve): New function.
7067         (compute_points_to_sets): Use it.
7068
7069 2005-07-15  Jan Hubicka  <jh@suse.cz>
7070
7071         * cfg.c (update_bb_profile_for_threading): More diagnostic.
7072         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7073
7074 2005-07-15  Richard Guenther  <rguenther@suse.de>
7075
7076         * c-common.c (handle_flatten_attribute): New function.
7077         Add flatten function attribute.
7078         * doc/extend.texi: Document flatten function attribute.
7079         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7080         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7081         New functions.
7082         (cgraph_decide_inlining): Handle functions with flatten
7083         attribute.
7084
7085 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
7086
7087         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7088         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7089         UNSPEC_XCHG, UNSPEC_AND): New.
7090         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7091         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7092         * config/rs6000/sync.md (FETCHOP): New code macro.
7093         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7094         New code attrs.
7095         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7096         (sync_compare_and_swap<mode>): Same.
7097         (sync_lock_test_and_set<mode>): Same.
7098         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7099         for QImode and HImode, and not PPC405.
7100         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7101         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7102         (sync_<fetchop>{si,di}_internal): New.
7103         (sync_nand{si,di}_internal): New.
7104         (sync_old_<fetchop>{si,di}_internal): New.
7105         (sync_old_nand{si,di}_internal): New
7106         (sync_new_<fetchop>{si,di}_internal): New.
7107         (sync_new_nand{si,di}_internal): New.
7108         (atomic_and{si,di}): New.
7109         (sync_new_nand{si,di}_internal): New.
7110         (atomic_and{si,di}): New.
7111         (sync_add<mode>_internal): Delete.
7112         (sync_addshort_internal): Use unspec instead of unspec_volatile.
7113         (sync_sub<mode>_internal): Delte.
7114         (sync_subshort_internal): New.
7115         (sync_andsi_internal): Use unspec instead of unspec_volatile.
7116         (sync_anddi_internal): Delete.
7117         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7118         (sync_booldi_internal): Delete.
7119         (sync_boolc<mode>_internal): Delete.
7120         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7121         (sync_boolc<mode>_internal2): Delete.
7122         (sync_boolcc<mode>_internal): Delete.
7123         (isync, lwsync): Use unspec instead of unspec_volatile.
7124         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7125         Revert UNSPEC_VOLATILE.
7126         (rs6000_split_atomic_op): New.
7127         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7128
7129 2005-07-14  Eric Christopher  <echristo@redhat.com>
7130
7131         * config/mips/mips.c (mips_canonicalize_comparison): Cast
7132         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7133
7134 2005-07-14  Eric Christopher  <echristo@redhat.com>
7135
7136         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7137
7138 2005-07-14  Steven Bosscher  <stevenb@suse.de>
7139
7140         PR tree-optimization/22230
7141         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7142         the computation of the four cross productions for "range op range".
7143
7144 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
7145             Ulrich Weigand  <uweigand@de.ibm.com>
7146
7147         PR target/20126
7148         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7149         in some insn.
7150
7151 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7152
7153         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7154
7155 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
7156
7157         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7158
7159 2005-07-14  Richard Guenther  <rguenther@suse.de>
7160
7161         PR middle-end/22347
7162         * config/i386/i386-protos.h (ix86_function_value): Change
7163         prototype to match new target hook.
7164         * config/i386/i386.c (ix86_value_regno): Change prototype
7165         to take extra type argument.
7166         (TARGET_FUNCTION_VALUE): Define.
7167         (ix86_function_ok_for_sibcall): Pass extra argument to
7168         ix86_value_regno, check return slot rtx for exact match.
7169         (ix86_function_value): Take extra parameter.  Dispatch to
7170         ix86_value_regno with fndecl/fntype as provided.
7171         (ix86_value_regno): Handle extra type argument.
7172         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7173
7174         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7175         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7176         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7177         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7178         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7179
7180 2005-07-14  Richard Guenther  <rguenther@suse.de>
7181
7182         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7183         * calls.c (expand_call): Pass fntype to hard_function_value.
7184         (emit_library_call_value_1): Likewise.
7185         * explow.c: Include target.h.
7186         (hard_function_value): Take extra argument, the fntype.
7187         Use new target hook for function_value.
7188         * expr.h (hard_function_value): Change prototype.
7189         * function.c (aggregate_value_p): Pass 0 as fntype to
7190         hard_function_value.
7191         (assign_parms): Use new target hook for function_value.
7192         Pass 0 as fntype to hard_function_value.
7193         (expand_function_end): Likewise.
7194         * reg-stack.c: Include target.h.
7195         (stack_result): Use new target hook for function_value.
7196         * target-def.h: New target hook function_value.
7197         * target.h: Likewise.
7198         * targhooks.c (default_function_value): New function.
7199         * targhooks.h (default_function_value): Declare.
7200
7201 2005-07-13  Ian Lance Taylor  <ian@airs.com>
7202
7203         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7204
7205 2005-07-14  Jan Hubicka  <jh@suse.cz>
7206
7207         * tree-dfa.c (dump_variable): Use default_def function.
7208         * tree-ssa-alias.c (dump_points_to_info): Likewise.
7209         * tree-ssa.c (verify_use): Likewise.
7210         * tree-ssanames.c (release_ssa_name): Likewise.
7211         * tree-tailcall.c (eliminate_tail_call): Likewise.
7212         (tree_optimize_tail_calls_1): Likewise.
7213         * tree-vrp.c (get_value_range): Likewise.
7214
7215 2005-07-14  Ben Elliston  <bje@au.ibm.com>
7216
7217         * gcc.c (main): Compare language[0] with '*' when iterating over
7218         the infiles.
7219
7220 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7221
7222         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7223         "s390_emit_compare".  Add handling of CCZ1mode.
7224         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7225         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7226         checking.
7227         (s390_branch_condition_mask): Add CCZ1mode handling.
7228         * config/s390/s390.md: ("seq", "*seq"): New pattern.
7229         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7230         Use CCZ1mode instead of CCZmode.
7231         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
7232
7233 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
7234
7235         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7236         pattern.
7237         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7238
7239 2005-07-13  Eric Christopher  <echristo@redhat.com>
7240
7241         * config/mips/mips.c (mips_canonicalize_comparison): New.
7242         (mips_emit_int_relational): Use.
7243
7244 2005-07-13  Eric Christopher  <echristo@redhat.com>
7245
7246         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7247         static extra parts.
7248         * config/s390/s390.md: Include tpf.md. Move tpf specific
7249         patterns...
7250         * config/s390/tpf.md: To here.
7251         * config/s390/s390.opt: Move tpf specific options...
7252         * config/s390/tpf.opt: to here. Add mmain option.
7253         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7254         * config/s390/tpf.h: Rewrite.
7255
7256 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7257
7258         * doc/tm.texi: Remove @xref{Cross-profiling}.
7259
7260 2005-07-13  Jeff Law  <law@redhat.com>
7261
7262         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7263         expressions, test their _DECL operands for pointer equality rather
7264         than using operand_equal_p.
7265
7266 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
7267
7268         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7269         (TARGET_POSIX_IO): This.
7270         * config/darwin.h: Likewise.
7271         * config/freebsd.h: Likewise.
7272         * config/linux.h: Likewise.
7273         * config/lynx.h: Likewise.
7274         * config/netbsd.h: Likewise.
7275         * config/rs6000/linux64.h: Likewise.
7276         * config/rs6000/linux.h: Likewise.
7277         * config/s390/tpf.h: Likewise.
7278         * config/sh/embed-elf.h: Likewise.
7279         * config/sparc/linux64.h: Likewise.
7280         * config/sparc/linux.h: Likewise.
7281         * config/svr4.h: Likewise.
7282         * gcov-io.h: Likewise.
7283
7284         * doc/tm.texi: Updated.
7285
7286         * libgcov.c (create_file_directory): Defined only if
7287         TARGET_POSIX_IO is defined.
7288         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7289         is defined.
7290
7291 2005-07-13  Jan Hubicka  <jh@suse.cz>
7292
7293         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7294
7295 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
7296
7297         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7298         structure as argument.
7299
7300 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
7301
7302         PR tree-optimization/21921
7303         * tree-iterator.c (tsi_link_before): Support the case when
7304         tsi_end_p (tsi) == true.
7305
7306 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7307
7308         PR tree-optimization/22442
7309         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7310         correctly.
7311
7312 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7313
7314         PR rtl-optimization/20376
7315         * toplev.c (process_options): Enable -fweb and -frename-registers when
7316         unrolling.
7317         * doc/invoke.texi: Update the information about when -fweb and
7318         -frename-registers are enabled.
7319
7320 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7321
7322         PR tree-opt/21840
7323         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7324         if *rhs_p is not a SSA_NAME.
7325
7326 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
7327
7328         Fix PR tree-optimization/22422
7329         * tree-ssa-structalias.c (struct variable_info): Add flag for
7330         special vars.
7331         (get_varinfo): Now a static function.
7332         (new_varinfo): init has_union and is_special_var to false.
7333         (solution_set_add): Check has_union.
7334         (do_da_constraint): Move temporary variable so it gets reset
7335         properly.
7336         Also check for special variable.
7337         (do_ds_constraint): Ditto.
7338         (do_sd_constraint): Ditto.
7339         (do_structure_copy): Check for special variable.
7340         (find_func_aliases): Ditto.
7341         (init_base_vars): Set special vars properly.
7342
7343 2005-07-13  Jan Hubicka  <jh@suse.cz>
7344
7345         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7346         do unit-at-a-time.
7347
7348         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7349         (get_expr_operands): Fix thinko wrt flags and subvars.
7350
7351         PR tree-optimize/22379
7352         * tree-inline.c (expand_call_inline): Do not output sorry in early
7353         inlining.
7354
7355 2005-07-12  Dale Johannesen  <dalej@apple.com>
7356
7357         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
7358
7359 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7360
7361         PR bootstrap/21704
7362         * host-linux.h: Include limits.h.
7363
7364 2005-07-12  Dale Johannesen  <dalej@apple.com>
7365
7366         * expr.c (compress_float_constant):  Add cost check.
7367         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
7368
7369 2005-07-12  Dale Johannesen  <dalej@apple.com>
7370
7371         * gcc.target/i386/compress-float-sse.c:  New.
7372         * gcc.target/i386/compress-float-sse-pic.c:  New.
7373         * gcc.target/i386/compress-float-387.c:  New.
7374         * gcc.target/i386/compress-float-387-pic.c:  New.
7375         * gcc.dg/compress-float-ppc.c:  New.
7376         * gcc.dg/compress-float-ppc-pic.c:  New.
7377
7378 2005-07-12  Eric Christopher  <echristo@redhat.com>
7379
7380         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7381         static extra parts.
7382         * config/s390/s390.md: Include tpf.md. Move tpf specific
7383         patterns...
7384         * config/s390/tpf.md: To here.
7385         * config/s390/s390.opt: Move tpf specific options...
7386         * config/s390/tpf.opt: to here. Add mmain option.
7387         * config/s390/tpf-unwind.h: Remove unnecessary defines.
7388         * config/s390/tpf.h: Rewrite.
7389
7390 2005-07-12  Eric Christopher  <echristo@redhat.com>
7391
7392         * gcc.c (struct infile): Update comment for language.
7393         (main): Rewrite input file resetting code.
7394
7395 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
7396
7397         PR tree-opt/22335
7398         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7399         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
7400         (lookup_avail_expr): Use constant_boolean_node instead
7401         of boolean_false_node/boolean_true_node.
7402
7403 2005-07-12  Ben Elliston  <bje@au.ibm.com>
7404
7405         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7406         and use it when printing num_edges.
7407
7408 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7409
7410         * doc/extend.texi (Blackfin Built-in Functions): New section.
7411         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7412         @opindex.
7413
7414 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
7415
7416         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7417         s/cmpstrsi/cmpstrnsi
7418         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7419         'cmpstrnsi'.
7420         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7421         (init_optabs): Initialize cmpstrn_optab.
7422         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7423         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7424         * expr.c: (enum insn_code cmpstrn_optab): Declare.
7425         * config/i386/i386.md: s/cmpstr/cmpstrn
7426         * config/c4x/c4x.md: s/cmpstr/cmpstrn
7427         * doc/md.texi: Update documentation.
7428
7429 2005-07-11  Richard Henderson  <rth@redhat.com>
7430
7431         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7432         build_va_arg_indirect_ref.
7433         (alpha_gimplify_va_arg): Likewise.
7434         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7435         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7436         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7437         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7438         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7439         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7440         Likewise.
7441         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7442
7443 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
7444
7445         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7446         * passes.c (init_optimization_passes): Add pass_empty_loop.
7447         * tree-pass.h (pass_empty_loop): Declare.
7448         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7449         try_remove_empty_loop, remove_empty_loops): New functions.
7450         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7451         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7452
7453 2005-07-12  Peter Barada  <peter@the-baradas.com>
7454
7455         PR middle-end/16719
7456         PR middle-end/18421
7457         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7458         in address registers.
7459         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7460         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7461         alternative of addsi3_5200.
7462
7463 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7464
7465         * config/mips/mips.md (ffs<mode>2): Remove.
7466
7467 2005-07-11  Ian Lance Taylor  <ian@airs.com>
7468
7469         * doc/tree-ssa.texi (Cleanups): Improve description of
7470         TRY_FINALLY_EXPR.
7471         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7472
7473 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7474
7475         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7476         * tree.h (DECL_ARGUMENT_FLD): New macro.
7477
7478 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
7479
7480         Fix PR tree-optimization/22404
7481
7482         * tree-ssa-structalias.c (create_variable_info_for): Use
7483         correct offset.
7484
7485 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7486
7487         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7488         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7489         for second comparison operand.
7490         * config/bfin/predicates.md (reg_or_const_int_operand): New.
7491
7492         * config/bfin/bfin.md (define_attr "type"): Add "sync".
7493         (define_insn_reservation "alu"): Likewise.
7494         (csync, ssync): Now of type sync.
7495         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7496         -mcsync-anomaly -mspecld-anomaly.
7497         * config/bfin/bfin.opt (mcsync): Remove.
7498         (mcsync-anomaly, mspecld-anomaly): Add.
7499         * config/bfin/bfin.c: Include "insn-codes.h".
7500         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7501         (TARGET_DEFAULT_TARGET_FLAGS): New.
7502         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7503
7504 2005-07-11  Steven Bosscher  <stevenb@suse.de>
7505
7506         * basic-block.h: Give the BB flags enum a name, bb_flags.
7507         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7508         * cfgcleanup.c (enum bb_flags): Remove here.
7509         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7510         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7511         (update_forwarder_flag): Likewise.
7512         (thread_jump): Likewise.
7513         (try_forward_edges): Likewise.
7514         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
7515         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
7516         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7517
7518 2005-07-11  Richard Guenther  <rguenther@suse.de>
7519
7520         * config/i386/i386.opt: New target option -msseregparm.
7521         * config/i386/i386.c (override_options): Error out for
7522         -msseregparm but no SSE support.
7523         (ix86_function_sseregparm): Check for global sseregparm.
7524         * doc/invoke.texi: Document -msseregparm.
7525
7526 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7527
7528         * config.gcc (m32r-*-linux*): Use the default extra_parts.
7529         (m32rle-*-linux*): Ditto.
7530
7531 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
7532
7533         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7534         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7535         bytes.
7536
7537 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7538
7539         PR middle-end/22239
7540         PR target/20126
7541         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7542         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7543
7544 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
7545
7546         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7547         (varmap): Heapify varmap.
7548         (constraints): Heapify constraints.
7549         (struct constraint_graph): Heapify succs and preds.
7550         (constraint_vec_find): Update for heapification.
7551         (constraint_set_union): Ditto.
7552         (insert_into_complex): Ditto.
7553         (constraint_edge_vec_find): Ditto.
7554         (erase_graph_self_edge): Ditto.
7555         (add_graph_edge): Ditto.
7556         (get_graph_weights): Ditto.
7557         (merge_graph_nodes): Ditto.
7558         (build_constraint_graph): Ditto.
7559         (topo_visit): Ditto.
7560         (solve_graph): Ditto.
7561         (create_variable_info_for): Ditto.
7562         (init_base_vars): Ditto.
7563         (delete_points_to_sets): Free graph, varmap, and complex constraints.
7564         (condese_varmap_nodes): Free complex vector.
7565         (clear_edges_for_node): Clear succs and preds vector.
7566
7567 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7568
7569         * tree-ssa-structalias.c (update_alias_info): Change counting of
7570         references to not include vdefs.
7571
7572 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
7573
7574         * tree-ssa-alias.c (free_used_part_map): Add missing free.
7575         (up_insert): Ditto.
7576
7577 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7578
7579         * pa.c (pa_commutative_p): Make PLUS commutative when
7580         TARGET_NO_SPACE_REGS is true.
7581
7582 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7583
7584         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7585         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7586         * tree-dfa.c (dump_subvars_for): New.
7587         (debug_subvars_for): New.
7588         (dump_variable): Show subvariables if VAR has them.
7589         * tree-flow-inline.h (get_subvar_at): New.
7590         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7591         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7592         Update all users.
7593         (struct subvar): Change fields offset and size to unsigned
7594         HOST_WIDE_INT.
7595         (dump_subvars_for): Declare.
7596         (debug_subvars_for): Declare.
7597         (get_subvar_at): Declare.
7598         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7599         to unsigned HOST_WIDE_INT *.
7600         (overlap_subvar): Likewise.
7601         * tree-gimple.c (is_gimple_reg): Always return false for
7602         SFTs and memory tags.
7603         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7604         Update all callers.
7605         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7606         (compute_may_aliases): Call compute_points_to_sets.
7607         (collect_points_to_info_for): Remove.
7608         (compute_points_to_and_addr_escape): Remove.
7609         (delete_alias_info): Call delete_points_to_sets.
7610         (compute_flow_sensitive_aliasing): If the call to
7611         find_what_p_points_to returns false, call set_pt_anything.
7612         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7613         (set_pt_anything): Clear pi->pt_vars.
7614         (set_pt_malloc): Remove.
7615         (merge_pointed_to_info): Remove.
7616         (add_pointed_to_expr): Remove.
7617         (add_pointed_to_var): Remove.
7618         (collect_points_to_info_r): Remove.
7619         (is_escape_site): Make extern.
7620         (create_sft): New.
7621         (create_overlap_variables_for): Call it.
7622         * tree-ssa-copy.c (merge_alias_info): Never merge
7623         flow-sensitive alias information.
7624         * tree-ssa-operands.c (get_expr_operands): Adjust variables
7625         offset and size to be unsigned HOST_WIDE_INT.
7626         (add_to_addressable_set): Rename from note_addressable.
7627         Set TREE_ADDRESSABLE as the variables are added to the set.
7628         Update all users.
7629         (add_stmt_operand): Do not try to micro-optimize unmodifiable
7630         operands into VUSEs when adding V_MAY_DEFs for members in an
7631         alias set.
7632         * tree-ssa-operands.h (add_to_addressable_set): Declare.
7633         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7634         (struct variable_info): Add bitfield is_heap_var.
7635         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7636         (new_var_info): Initialize is_heap_var.
7637         (get_constraint_for): Add HEAP variables to the symbol table.
7638         Mark them with is_heap_var.
7639         (update_alias_info): New.  Taken mostly from the old
7640         compute_points_to_and_addr_escape.
7641         (handle_ptr_arith): New.
7642         (find_func_aliases): Call update_alias_info.
7643         Call handle_ptr_info for tcc_binary expressions.
7644         Call mark_stmt_modified.
7645         (create_variable_info_for): If DECL has subvars, do not create
7646         variables for its subvars.  Always add all the fields.
7647         (set_uids_in_ptset): If the solution includes ANYOFFSET and
7648         SFTs, then add all the SFTs of the structure.
7649         If VI->DECL is an aggregate with subvariables, add the SFT at
7650         VI->OFFSET.
7651         (find_what_p_points_to): If VI is an artificial variable,
7652         translate to bitfields in SSA_NAME_PTR_INFO.
7653         If the solution is empty, set pi->pt_vars to NULL
7654         (init_base_vars): Create ANYOFFSET.
7655         (compute_points_to_sets): Rename from create_alias_vars.
7656         Make extern.
7657         (pass_build_pta): Remove.
7658         (delete_points_to_sets): Rename from delete_alias_vars.
7659         (pass_del_pta): Remove.
7660         * tree-ssa-structalias.h (struct alias_info): Move from
7661         tree-ssa-alias.h.
7662         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7663         NUM_REFERENCES_SET): Likewise.
7664         (compute_points_to_sets, delete_points_to_sets): Declare.
7665
7666 2005-07-09  Richard Henderson  <rth@redhat.com>
7667
7668         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7669         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7670         alpha_split_lock_test_and_set_12): New functions.
7671         * config/alpha/alpha-protos.h: Update.
7672         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7673         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7674         * config/alpha/sync.md (I12MODE): New.
7675         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7676         (sync_<fetchop_name><I48MODE>): Likewise.
7677         (sync_nand<I48MODE>): Likewise.
7678         (sync_old_<fetchop_name><I48MODE>): Likewise.
7679         (sync_new_<fetchop_name><I48MODE>): Likewise.
7680         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7681         (sync_compare_and_swap<I48MODE>): Likewise.
7682         (sync_lock_test_and_set<I48MODE>): Likewise.
7683         (sync_compare_and_swap<I12MODE>): New.
7684         (sync_compare_and_swap<I12MODE>_1): New.
7685         (sync_lock_test_and_set<I12MODE>): New.
7686         (sync_lock_test_and_set<I12MODE>_1): New.
7687
7688 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
7689
7690         PR 21356
7691         PR 22332
7692         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7693
7694 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
7695
7696         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7697         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7698
7699 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
7700
7701         PR target/21656
7702         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7703
7704 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
7705
7706         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7707         memory_operand constraint.
7708         (store_conditional_<mode>): Same.
7709         (sync_compare_and_swap<mode>): Same.
7710         (sync_lock_test_and_set<mode>): Same.
7711
7712 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
7713
7714         Rewrite PIC support to more closely model actual instructions.
7715         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7716         (cris_symbol): Remove prototypes for removed functions.
7717         (cris_pic_symbol_type_of, cris_valid_pic_const)
7718         (cris_expand_pic_call_address): Prototypes for new functions.
7719         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7720         variable.
7721         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7722         modifiers.
7723         <case ':'>: Add case for new punctuation character.
7724         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7725         emitting (extra) PIC modifier.
7726         <case UNSPEC>: Do not assert for PLT.
7727         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7728         (cris_expand_prologue, cris_expand_epilogue): Check
7729         for pic_offset_table_rtx usage instead of taking
7730         current_function_uses_pic_offset_table as the final word.
7731         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7732         Remove flag_pic difference.
7733         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7734         the moral equivalents of...
7735         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7736         functions.
7737         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7738         (cris_handle_option): Mark ARG as unused.
7739         (cris_expand_pic_call_address): New worker function for "call",
7740         "call_value".
7741         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7742         output PIC constructs here.
7743         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7744         as symbol-specific modifers, not whole or part of operands.
7745         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7746         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7747         constants and flag_pic.
7748         (CONSTANT_INDEX_P): Adjust for new functions.
7749         (enum cris_pic_symbol_type): New helper type.
7750         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7751         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7752         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7753         define_constants.
7754         ("movsi"): Emit actual instructions for GOT and relative access.
7755         ("*movsi_got_load"): New pattern to set up the register holding
7756         the GOT pointer.
7757         ("*movsi_internal"): Operand 1 is not a plain general_operand.
7758         Adjust FIXME for 'S'.
7759         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7760         Use "movs" for -fpic cases.
7761         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7762         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7763         ("call", "call_value"): Just call cris_expand_pic_call_address for
7764         PIC addresses.
7765         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7766         Remove special pattern.
7767         ("*expanded_call_side", "*expanded_call_value_side"): New
7768         patterns.
7769         (gotplt-to-plt, gotplt-to-plt-side-call)
7770         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7771         peephole2:s.
7772         * config/cris/cris/predicates.md
7773         ("cris_general_operand_or_gotless_symbol"): Remove unused
7774         predicate.
7775         ("cris_general_operand_or_symbol"): Adjust for new functions.
7776
7777 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7778
7779         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7780
7781 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
7782
7783         * Makefile.in (TREE_H): Add treestruct.def.
7784         (c-decl.o): Add pointer-set.h
7785         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7786         visibility on regular DECL's.
7787         (merge_decls): Fix the copying of decl nodes of various types for
7788         the new structures.  Don't update RTL, section name, weak status,
7789         etc, on DECL's without RTL.
7790         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7791         Don't check volatile on non-variable types.
7792         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7793         to check whether we have seen arguments.
7794         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7795         flag is checked before field (flag is common, field is not).
7796         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
7797         TS_DECL_COMMON could have an origin.
7798         (add_location_or_const_value_attribute): Don't check section name
7799         on non-var/function decls.
7800         (dwarf2out_var_location): Reverse order of tests.
7801         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7802         with DECL_WRTL_CHECK.
7803         * expmed.c (make_tree): rtl is now in decl_with_rtl.
7804         * fold-const.c (fold_binary): Don't check weakness on
7805         non-var/function decls.
7806         (tree_expr_nonzero_p): Ditto.
7807         (fold_checksum_tree): Use tree_decl_extra as sizeof
7808         buffer.
7809         * ggc-page.c (extra_order_size_table): Add sizes for
7810         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
7811         tree_field_decl.
7812         * gimplify.c (gimplify_bind_expr): Only set
7813         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7814         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7815         without RTL.
7816         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7817         * langhooks.h (init_ts). New langhook.
7818         * passes.c (rest_of_decl_compilation): Reverse order of tests.
7819         * print-tree.c (print_node): Update to only print fields that
7820         exist in the structures the passed decl has.
7821         * toplev.c (wrapup_global_declarations): Don't reset
7822         DECL_DEFER_OUTPUT on DECL's that don't contain it.
7823         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7824         * tree-inline.c (remap_decl): Ditto.
7825         * tree-outof-ssa.c (create_temp): Reverse order of tests.
7826         * tree-pretty-print.c (print_declaration): Don't print
7827         DECL_REGISTER on things that don't contain it.
7828         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7829         non-var/function decls.
7830         * tree.c (tree_contains_struct): New structure.
7831         (init_priority_for_decl): New hashtable.
7832         (tree_int_map): New structure.
7833         (tree_int_map_eq): New function.
7834         (tree_int_map_marked_p): Ditto.
7835         (tree_int_map_hash): Ditto.
7836         (tree_map): Move to tree.h.
7837         (tree_map_eq): Externalize.
7838         (tree_map_hash): Ditto.
7839         (tree_map_marked_p): Ditto.
7840         (init_ttree): Set up tree_contains_struct and call langhook.
7841         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7842         (tree_code_size): Update for new structures.
7843         (tree_node_structure): Update for new structures.
7844         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7845         without the field.
7846         (copy_node_stat):  Copy init priority.
7847         (build_decl_stat): Ditto for visibility.
7848         (ts_enum_names): New.
7849         (tree_contains_struct_check_failed): New function.
7850         (decl_init_priority_lookup): Ditto.
7851         (decl_init_priority_insert): Ditto.
7852         * treestruct.def: New file.
7853         * tree.h (CODE_CONTAINS_STRUCT): New macro.
7854         (CONTAINS_STRUCT_CHECK): Ditto.
7855         (tree_contains_struct_check_failed): New prototype.
7856         (DECL_CHECK): Removed.
7857         (DECL_MINIMAL_CHECK): New.
7858         (DECL_COMMON_CHECK): Ditto.
7859         (DECL_WRTL_CHECK): Ditto.
7860         (DECL_NON_COMMON_CHECK): Ditto.
7861         (DECL_WITH_VIS_CHECK): Ditto.
7862         (VAR_OR_FUNCTION_DECL_P): Ditto
7863         (struct tree_decl_minimal): New structure.
7864         (struct tree_decl_common): Ditto.
7865         (struct tree_decl_with_rtl): Ditto.
7866         (struct tree_decl_with_vis): Ditto.
7867         (struct tree_decl_non_common): Ditto.
7868         (struct tree_field_decl): Ditto.
7869         (struct tree_parm_decl): Ditto.
7870         (struct tree_var_decl): Ditto.
7871         (struct tree_function_decl): Ditto.
7872         (struct tree_const_decl): Ditto.
7873         (struct tree_result_decl): Ditto.
7874         (union tree_node): Add new structures.
7875         * var-tracking.c (track_expr_p): Reverse order of tests.
7876
7877         * doc/c-tree.texi: Add documentation on DECL node internal structure.
7878
7879 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
7880
7881         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7882         * system.h: Poison FINALIZE_PIC.
7883         * doc/tm.texi (FINALIZE_PIC): Remove.
7884
7885 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7886
7887         PR tree-opt/22329
7888         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7889         to the correct type if we have a MODIFY_EXPR.
7890
7891 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
7892
7893         PR tree-optimization/22360
7894         * tree.c (upper_bound_in_type): Fix calculations for casting
7895         to a non-wider signed type and casting a signed value to a
7896         wider unsigned type.
7897         (lower_bound_in_type): Fix calculations for casting to a
7898         non-wider signed type.
7899
7900         PR tree-optimization/20139
7901         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7902         release_defs.
7903         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7904         fold_cond_expr_cond.
7905         * tree-ssanames.c (release_defs): Assert in_ssa_p.
7906         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7907
7908 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
7909
7910         PR tree-opt/22356
7911         * tree-complex.c (expand_complex_libcall): Produce
7912         REALPART_EXPR/IMAGPART_EXPR with the correct type.
7913
7914 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
7915
7916         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7917         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7918         b" assert and inserted fastpath code for this case.
7919         (bitmap_ior): Removed "a != b" assert.
7920
7921 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7922
7923         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7924         (ENDFILE_SPEC): Likewise.
7925         * config/m32r/m32r.h (ASM_SPEC): Likewise.
7926
7927         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7928         a large stack frame at epilogue.
7929
7930 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
7931
7932         * final.c: Include sdbout.h when required.
7933
7934 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
7935
7936         * config.gcc (*-*-darwin*): Only one target-specific header file
7937         for generic darwin.
7938         (powerpc-*-darwin*): Add version-specific header files.
7939         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7940         * config.in: Regenerate.
7941         * configure: Regenerate.
7942         * gcc.c: Include xregex.h.
7943         (version_compare_spec_function): New.
7944         (spec_function): Add version-compare.
7945         (replace_outfile_spec_function): Reformat comment.
7946         (compare_version_strings): New.
7947         * config/darwin-c.c (version_as_macro): New.
7948         (builtin_define): New.
7949         (darwin_cpp_builtins): New.
7950         * config/darwin-protos.h (darwin_cpp_builtins): New.
7951         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7952         (LIB_SPEC): Make unconditional, update comment.
7953         (TARGET_C99_FUNCTIONS): Define.
7954         * config/darwin.opt: Sort.
7955         (mmacosx-version-min=): New.
7956         * config/darwin7.h: Delete.
7957         * config/darwin8.h: Delete.
7958         * config/i386/darwin.h (): Call darwin_cpp_builtins.
7959         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7960         (TARGET_C99_FUNCTIONS): Define.
7961         * config/rs6000/darwin7.h: New.
7962         * config/rs6000/darwin8.h: New.
7963         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7964         (-mmacosx-version-min): Document.
7965
7966 2005-07-07  Ian Lance Taylor  <ian@airs.com>
7967
7968         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7969
7970 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
7971
7972         PR middle-end/22239
7973         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7974
7975 2005-07-07  Khem Raj  <kraj@mvista.com>
7976
7977         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7978         in bytes, not words.
7979
7980 2005-07-07  Paul Brook  <paul@codesourcery.com>
7981
7982         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7983         DEFAULT_FUNCTION_ARG_PADDING to upward.
7984
7985 2005-07-07  Richard Henderson  <rth@redhat.com>
7986
7987         * function.c (locate_and_pad_parm): Record parameter alignment in
7988         stack_alignment_needed.
7989
7990 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
7991
7992         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7993         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7994         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7995         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7996         (define_attr "type"): Add isync, sync, load_l, store_c.
7997         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7998         Create scratch volatile MEM.
7999         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
8000         sync.
8001         (load_locked_<mode>): New.
8002         (store_conditional_<mode>): New.
8003         (sync_compare_and_swap<mode>): Replace with splitter.
8004         (sync_lock_test_and_set<mode>): Replace with splitter.
8005         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8006         and UNSPECV_ISYNC.
8007         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
8008         is ics.  Attribute isync.
8009         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
8010         lwsync.
8011         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8012         and UNSPECV_SYNC_OP.
8013         (emit_unlikely_jump): New.
8014         (emit_load_locked): New.
8015         (emit_store_conditional): New.
8016         (rs6000_split_compare_and_swap): New.
8017         (rs6000_split_lock_test_and_set): New.
8018         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8019         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8020         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8021         rs6000_split_lock_test_and_set): Declare.
8022         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8023         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8024         store_c, isync, sync.
8025
8026 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
8027
8028         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8029         filenames to gtyp-gen.h.
8030         (s-typ-gen): Use it in place of for loops.
8031
8032 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
8033
8034         * hooks.c (hook_bool_rtx_int_false): New function.
8035         * hooks.h (hook_bool_rtx_int_false): Declare.
8036         * target-def.h (TARGET_COMMUTATIVE_P): Define.
8037         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8038         * target.h (struct gcc_target): Add commutative_p member.
8039         * targhooks.c (hook_bool_rtx_commutative_p): New function.
8040         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8041         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8042         (pa_commutative_p): New function.
8043         * jump.c (target.h): Include.
8044         (rtx_renumbered_equal_p): Use targetm.commutative_p.
8045         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8046
8047 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8048
8049         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8050         (s390_expand_setmem): New.
8051         * config/s390/s390.c: Likewise.
8052         (print_shift_count_operand): Truncate to 12 bits instead of 6.
8053         Adapt comments.
8054         * config/s390/s390.md: ("setmem<mode>"): Accept character as
8055         general_operand.  Call new function "s390_expand_setmem".
8056         ("clrmem_long", "*clrmem_long"): Rewrite to ...
8057         ("setmem_long", "*setmem_long"): ... this.
8058
8059 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8060
8061         * config/s390/s390.c: (optimization_options): Enable
8062         TARGET_MVCLE at -Os.
8063         * doc/invoke.texi: Document changes in default behaviour.
8064         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8065
8066 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
8067
8068         * expr.c: (set_storage_via_setmem): Convert opchar to mode
8069         defined by back-end.
8070
8071 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
8072
8073         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8074         all sets in the pattern.
8075         * config/rs6000/rs6000.md (stack_protect_testsi,
8076         stack_protect_testdi): Likewise.
8077
8078 2005-07-06  Jeff Law  <law@redhat.com>
8079
8080         * tree-vrp.c (simplify_using_ranges): Kill.
8081         (vrp_finalize): Remove call to simplify_using_ranges.
8082         (simplify_stmt_using_ranges): New function extracted from
8083         simplify_using_ranges.
8084         (simplify_div_or_mod_using_ranges): Likewise.
8085         (simplify_abs_using_ranges): Likewise.
8086         (simplify_cond_using_ranges): New function.
8087         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8088         * tree-ssa-propagate.c (substitute_and_fold): Call
8089         simplify_stmt_using_ranges if we have range information.
8090
8091 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
8092
8093         * config/ia64/ia64.c (ia64_reorg): Check optimize before
8094         ia64_flag_schedule_isns2.
8095
8096         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8097         reading/writing general registers.
8098         (ia64_function_arg): Revert 2005-06-18 change.
8099
8100 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
8101
8102         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8103         (legitimize_tls_address): Use gcc_unreachable instead of abort.
8104
8105 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
8106
8107         * function.c (expand_function_end): Revert part of 2005-06-27
8108         patch.  Do sjlj_emit_function_exit_after after return_label.
8109
8110 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8111
8112         * doc/install.texi (--disable-libssp): New.
8113
8114 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
8115
8116         * doc/invoke.texi: Update -fforce-mem documentation.
8117         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8118         code for -fforce-mem.
8119         * expmed.c: (store_bit_field,store_fixed_bit_field,
8120         extract_bit_field): Ditto.
8121         * expr.c: (convert_move): Ditto.
8122         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8123         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8124         emit_conditional_add,expand_float,expand_fix): Ditto.
8125         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8126         (common_handle_option): Issue warning when -fforce-mem specified.
8127
8128 2005-07-06  Paul Brook  <paul@codesourcery.com>
8129
8130         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8131         argument is empty.
8132         * configure: Regenerate.
8133
8134 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
8135
8136         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8137
8138 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
8139
8140         Fix PR tree-optimization/22319
8141         Fix PR tree-optimization/22140
8142         Fix PR tree-optimization/22310
8143
8144         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8145         variable sized types.
8146         Use correct type for intermediate structure on *a = *b structure
8147         copies.
8148
8149 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8150
8151         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8152         Remove.
8153         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8154         (machine_function): Move typedef to...
8155         * config/rs6000/rs6000.c (machine_function): ... here.  Add
8156         varargs_save_offset field.
8157         (rs6000_stack_t): Remove varargs_size field.
8158         (setup_incoming_varargs): Allocate varargs save area using
8159         assign_stack_local, try to make it as small as possible.
8160         Save offset from virtual_stack_vars_rtx to the save area
8161         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
8162         instead of magic 8 when fp word byte size is used.
8163         (rs6000_va_start): Use cfun->machine->varargs_save_offset
8164         instead of -RS6000_VARARGS_SIZE.
8165         (rs6000_stack_info, debug_stack_info,
8166         rs6000_initial_elimination_offset): Remove all traces of
8167         varargs_size.
8168         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8169         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8170         RS6000_VARARGS_AREA.
8171
8172 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
8173
8174         PR tree-optimization/21963
8175         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8176         constant_multiple_of in the same way get_computation_cost_at does.
8177
8178 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
8179
8180         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8181         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8182         (gen_compare_reg): If sparc_compare_emitted is set, clear it
8183         and return its previous value.
8184         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8185         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8186         constants.
8187         (stack_protect_set, stack_protect_test): New expanders.
8188         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8189         stack_protect_testdi): New insns.
8190         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8191         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8192
8193 2005-07-06  Jeff Law  <law@redhat.com>
8194
8195         * tree-ssa-dce.c (cfg_altered): New global.
8196         (tree_dce_init): Initialize cfg_altered.
8197         (remove_dead_stmt): If we remove an edge in the CFG, then set
8198         CFG_ALTERED.
8199         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8200         the dominators.
8201
8202 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
8203
8204         * Makefile.in (stamp-collect-ld): Use
8205         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
8206         ./collect-ld if it already exists.
8207         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8208         Don't remove ./nm if it already exists.
8209
8210 2005-07-05  Devang Patel  <dpatel@apple.com>
8211
8212         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8213         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8214         * tree-vectorizer.c (vect_loop_location): New.
8215         (vect_print_dump_info): Use vect_loop_location.
8216         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8217         (vectorize_loops): Set vect_loop_location.
8218         * tree-vect-analyze.c (vect_analyze_offset_expr,
8219         vect_determin_vectorization_factor, vect_analyze_operations,
8220         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8221         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8222         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8223         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8224         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8225         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8226         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8227         vect_analyze_loop): Adjust vect_print_dump_info API.
8228         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8229         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8230         vect_finish_stmt_generation, vectorizable_assignment,
8231         vectorizable_operation, vectorizable_store, vectorizable_load,
8232         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8233         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8234         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8235         vect_transform_loop): Same.
8236         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8237         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8238         Same.
8239
8240 2005-07-05  Randolph Chung  <tausq@debian.org>
8241
8242         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8243         * configure: Regenerate.
8244         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8245         (pa_tls_referenced_p): Declare.
8246         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8247         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8248         (legitimize_tls_address): New.
8249         (hppa_legitimize_address): Handle TLS addresses.
8250         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8251         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8252         (emit_move_sequence): Handle TLS addresses.
8253         (pa_encode_section_info): Call default handler to handle common
8254         sections.
8255         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8256         (CONSTANT_ADDRESS_P): Reject TLS operands.
8257         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8258         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8259         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8260         (UNSPEC_TLSLE): Define new constants.
8261         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8262         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8263         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8264         (tie_symbolic_operand, tle_symbolic_operand): New
8265
8266 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
8267
8268         * aclocal.m4: Update macros for autoconf 2.59 style.
8269         * configure.ac: Likewise.
8270
8271 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8272
8273         * pa.c (function_value): Handle small aggregates on 32-bit targets.
8274         (function_arg): Pass small aggregates in general registers on 32-bit
8275         targets.
8276         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8277
8278 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
8279
8280         * Makefile.in (final.o): Fix dependencies.
8281
8282 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8283
8284         PR c/22013
8285         PR c/22098
8286         * langhooks.h (struct lang_hooks): Add expr_to_decl.
8287         * langhooks.c (lhd_expr_to_decl): New.
8288         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8289         New.
8290         (LANG_HOOKS_INITIALIZER): Update.
8291         * tree.c (recompute_tree_invarant_for_addr_expr): Call
8292         expr_to_decl langhook.
8293         * c-tree.h (c_expr_to_decl): Declare.
8294         * c-typeck.c (c_expr_to_decl): New.
8295         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8296         specially.
8297         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8298
8299 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
8300
8301         PR c/22308
8302         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8303         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8304
8305 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
8306
8307         * Makefile.in: Adjust dependencies.
8308         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8309         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8310         * alias.c (rest_of_handle_cfg, pass_cfg): New.
8311         * bb-reorder.c (duplicate_computed_gotos): Make it static.
8312         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8313         rest_of_compilation.
8314
8315         * bb-reorder.c (gate_duplicate_computed_gotos,
8316         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8317         rest_of_handle_reorder_blocks, pass_reorder_blocks,
8318         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8319         pass_partition_blocks): New.
8320         * bt-load.c (gate_handle_branch_target_load_optimize,
8321         rest_of_handle_branch_target_load_optimize,
8322         pass_branch_target_load_optimize): New.
8323         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8324         pass_jump2): New.
8325         * cfglayout.c (pass_insn_locators_initialize): New.
8326         * cfgrtl.c (pass_free_cfg): New.
8327         * combine.c (gate_handle_combine, rest_of_handle_combine,
8328         pass_combine): New.
8329         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8330         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8331         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8332         * except.c (pass_set_nothrow_function_flags,
8333         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8334         pass_rtl_eh): New.
8335         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8336         rest_of_handle_shorten_branches, pass_shorten_branches,
8337         rest_of_clean_state, pass_clean_state): New.
8338         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8339         rest_of_handle_remove_death_notes, pass_remove_death_notes,
8340         rest_of_handle_life, pass_life, rest_of_handle_flow2,
8341         pass_flow2): New.
8342         * function.c (pass_instantiate_virtual_regs, pass_init_function,
8343         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8344         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8345         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8346         pass_gcse): New.
8347         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8348         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8349         pass_rtl_ifcvt, gate_handle_if_after_combine,
8350         rest_of_handle_if_after_combine, pass_if_after_combine,
8351         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8352         pass_if_after_reload): New.
8353         * integrate.c (pass_initial_value_sets): New.
8354         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8355         pass_purge_lineno_notes): New.
8356         * mode-switching.c (rest_of_handle_mode_switching,
8357         pass_mode_switching): New.
8358         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8359         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8360         pass_loop2): New.
8361         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8362         pass_loop_optimize): New.
8363         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8364         pass_sms): New.
8365         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8366         pass_gcse2): New.
8367         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8368         pass_postreload_cse): New.
8369         * profile.c (gate_handle_profiling, pass_profiling,
8370         rest_of_handle_branch_prob, pass_branch_prob): New.
8371         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8372         pass_split_before_regstack, gate_handle_split_before_regstack,
8373         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8374         rest_of_handle_split_all_insns, pass_split_all_insns): New.
8375         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8376         pass_stack_regs): New.
8377         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8378         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8379         pass_stack_adjustments): New.
8380         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8381         pass_regrename): New.
8382         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8383         pass_delay_slots, gate_handle_machine_reorg,
8384         rest_of_handle_machine_reorg, pass_machine_reorg): New.
8385         * rtl.h (extern void purge_line_number_notes): New.
8386         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8387         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8388         pass_sched2): New.
8389         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8390         pass_tracer): New.
8391         * value-prof.c (gate_handle_value_profile_transformations,
8392         rest_of_handle_value_profile_transformations,
8393         pass_value_profile_transformations): New.
8394         * var-tracking.c (gate_handle_var_tracking,
8395         pass_variable_tracking): New.
8396         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8397
8398         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8399         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8400         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8401         rest_of_handle_old_regalloc, rest_of_handle_regrename,
8402         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8403         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8404         rest_of_handle_gcse2, rest_of_handle_regmove,
8405         rest_of_handle_tracer, rest_of_handle_if_conversion,
8406         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8407         rest_of_handle_web, rest_of_handle_branch_prob,
8408         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8409         rest_of_handle_jump_bypass, rest_of_handle_combine,
8410         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8411         rest_of_handle_gcse, rest_of_handle_loop_optimize,
8412         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8413         rest_of_handle_mode_switching, rest_of_handle_jump,
8414         rest_of_handle_eh, rest_of_handle_stack_adjustments,
8415         rest_of_handle_flow2, rest_of_handle_jump2,
8416         rest_of_handle_peephole2, rest_of_handle_postreload,
8417         rest_of_handle_shorten_branches, rest_of_clean_state,
8418         rest_of_compilation): Remove.
8419
8420         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8421         * passes.c (dump_flags, in_gimple_form, all_passes,
8422         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8423         register_dump_files, next_pass_1, last_verified, execute_todo,
8424         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8425         from tree-optimize.c.
8426         (init_optimization_passes): Moved from tree-optimize.c,
8427         adding the RTL optimizations.
8428         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8429         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8430         all_ipa_passes, all_lowering_passes, register_one_dump_file,
8431         register_dump_files, next_pass_1, last_verified, execute_todo,
8432         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8433         init_tree_optimization_passes, ipa_passes): Delete.
8434         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8435         the RTL dumps.
8436         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8437         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8438         from tree.h.
8439         (ipa_passes): Remove.
8440         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8441         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8442         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8443         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8444         (dump_info_p, dump_flag): Moved to tree-dump.h.
8445
8446         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8447         cgraph.c, opts.c.
8448         * passes.c (finish_optimization_passes): Use dump_begin
8449         and dump_end, TDI_end.
8450         (gate_rest_of_compilation): New.
8451         (pass_rest_of_compilation): Use it.
8452         (gate_postreload, pass_postreload): New.
8453         * toplev.c (general_init): Rename init_tree_optimization_passes.
8454         * toplev.h (init_tree_optimization_passes): Rename to
8455         init_optimizations_passes.
8456         * tree-dump.c (dump_flag): Make static.
8457         (dump_files): Remove RTL dumps.
8458         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8459         pass_cleanup_cfg, pass_free_cfg_annotations,
8460         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8461         pass_init_datastructures, pass_fixup_cfg): Make non-static.
8462         * tree-pretty-print.c: Include tree-pass.h.
8463         * cgraph.c: Include tree-dump.h.
8464
8465 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8466
8467         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8468         Only fall back to saying it points to readonly memory if
8469         we can't do better.
8470
8471 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
8472
8473         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8474         * config/m32r/m32r.c (m32r_compute_frame_size,
8475         m32r_expand_prologue): Take current_function_profile into
8476         account whenever we reference
8477         current_function_uses_pic_offset_table.
8478         (m32r_finalize_pic): Remove.
8479         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8480
8481 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
8482
8483         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8484         instead of $<.  Don't remove ./as if it already exists.
8485
8486 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8487
8488         PR target/21723
8489         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8490         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8491         for complex modes when generating code for PA 1.0.
8492         (VALID_FP_MODE_P): New macro.
8493         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8494         sets for all general and floating point modes.  Align wide floating
8495         point modes to even register boundaries to comply with architectural
8496         requirements.
8497         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8498         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8499         (VALID_FP_MODE_P): New macro.
8500         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
8501         sets for all general and floating point modes.  Align wide floating
8502         point modes to even register boundaries to comply with architectural
8503         requirements.
8504
8505 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8506
8507         * tree-dump.c (dump_files): Initialize dump number for .cgraph
8508         to 0.
8509
8510 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8511
8512         * tree-ssa-structalias.c: Don't include expr.h.
8513
8514 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
8515
8516         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8517         comments.
8518
8519 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
8520
8521         Fix PR tree-optimization/22279
8522
8523         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8524         correct operator.
8525
8526 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
8527
8528         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8529
8530 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8531
8532         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8533         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8534         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8535         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8536         config/stormy16/stormy16.c, config/v850/v850.c,
8537         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8538         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8539         Avoid "." or "\n" at end of diagnostics and capital letters at
8540         start of diagnostics.
8541         * combine.c, cse.c: Don't translate dump file output.
8542         * toplev.c (print_version): Only translate output if going to
8543         stderr.
8544
8545 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8546
8547         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8548         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8549         typos.
8550
8551 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8552
8553         * pa.c (fix_range): Fix typo in comment.
8554
8555 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
8556
8557         * tree-vrp.c (extract_range_from_assert): Replace
8558         fold (build (...)) with fold_build2.
8559
8560 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8561
8562         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8563         gcc_gfc_char_table, init_dynamic_gfc_info): New.
8564         (format_types_orig, handle_format_attribute): Add support for
8565         format "gcc_gfc".
8566
8567 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8568
8569         * varasm.c (assemble_variable): Fix format specifier thinko.
8570
8571 2005-07-03  Ira Rosen  <irar@il.ibm.com>
8572
8573         PR tree-optimization/22029 (and 22135)
8574         * tree-pretty-print.c (dump_generic_node): Check that the node is not
8575         a phi node before calling dump_vops.
8576
8577 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8578
8579         * tree-dump.h (dump_string_field): Declare.
8580         * tree-dump.c: Use it instead of dump_string.
8581         (dump_string_field): Make non-static.
8582
8583 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8584
8585         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8586         up the minimal CFG stuff always when optimize > 0.  Call
8587         split_all_insns_noflow in PIC case if needed.
8588
8589 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8590             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8591
8592         PR c++/18279
8593         * c-decl.c (c_write_global_declarations): Dump contents of
8594         external scope to.
8595         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8596         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8597         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8598         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8599         is enabled.
8600
8601 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
8602
8603         * c-common.h (GCC_DIAG_STYLE): Define.
8604         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
8605         version for format checking to 4.1.
8606         * c-format.c: Include toplev.h after c-common.h.
8607         (enum format_type): Add gcc_tdiag_format_type.
8608         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8609         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8610         (format_types_orig): Add gcc_tdiag.
8611         (init_dynamic_diag_info): Support gcc_tdiag formats.
8612         (handle_format_attribute): Likewise.
8613         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8614         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
8615         version for format checking to 4.1.
8616         (warning0, warning, error, pedwarn, sorry): Use
8617         ATTRIBUTE_GCC_DIAG.
8618         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8619         (finish_aliases_1): Do not use %qE.
8620         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8621         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8622         Correct format bugs.
8623         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8624         parameter to unsigned HOST_WIDE_INT.
8625         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8626
8627 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
8628
8629         PR middle-end/21742
8630         * expr.c (write_complex_part): Use adjust_address for MEM.
8631         (read_complex_part): Same.
8632
8633 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
8634
8635         Fix PR tree-optimization/22280
8636
8637         * tree-sra.c (generate_element_init): Remove useless loop.
8638
8639 2005-07-02  Richard Henderson  <rth@redhat.com>
8640
8641         * config/alpha/alpha.c (alpha_legitimize_address): Check for
8642         TLS_MODEL_NONE.
8643         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8644
8645 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
8646
8647         PR middle-end/14490
8648         * fold-const.c (fold_binary): Handle the return value of
8649         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8650         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8651
8652 2005-07-02  Jeff Law  <law@redhat.com>
8653
8654         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8655         a eliminate type conversion which feeds an equality comparison
8656         if the original type or either operand in the comparison is a
8657         function pointer.
8658
8659 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
8660
8661         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8662         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8663         texts.
8664         * config/avr/avr.c: Do not use '`' as left quote.
8665         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8666         Remove "." from end of diagnostics.  Make diagnostics start with
8667         lowercase letter.
8668
8669 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
8670             Joseph S. Myers  <joseph@codesourcery.com>
8671
8672         * toplev.c (default_tree_printer): Handle setting location with
8673         '+' flag.
8674         * c-objc.common.c (c_tree_printer): Likewise.
8675         * c-format.c (gcc_diag_flag_specs): Add '+'.
8676         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8677         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8678         formats.
8679         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8680         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8681         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8682         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8683         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8684         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
8685         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
8686         format arguments where %J is used without %D.
8687
8688 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
8689
8690         * gcc.c (LINK_SSP_SPEC): Define.
8691         (link_ssp_spec): New variable.
8692         (LINK_COMMAND_SPEC): Add %(link_ssp).
8693         (static_specs): Add link_ssp_spec.
8694         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8695         * configure: Rebuilt.
8696         * config.in: Rebuilt.
8697
8698         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8699         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8700         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8701         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8702         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8703         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8704         -0x7008(2) instead of reading __stack_chk_guard variable.
8705         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8706         number.
8707         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8708         (stack_protect_set, stack_protect_test): Use *_tls* patterns
8709         if TARGET_THREAD_SSP_OFFSET is defined.
8710         (stack_tls_protect_set_si, stack_tls_protect_set_di,
8711         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8712
8713         Revert:
8714         2005-06-27  Richard Henderson  <rth@redhat.com>
8715         * libgcc-std.ver (GCC_4.1.0): New.
8716         * libgcc.h (__stack_chk_guard): Declare.
8717         (__stack_chk_fail, __stack_chk_fail_local): Declare.
8718         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8719         * mklibgcc.in (lib2funcs): Add them.
8720
8721 2005-07-01  Richard Henderson  <rth@redhat.com>
8722
8723         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8724         void * before struct sigcontext *.
8725         (x86_fallback_frame_state): Likewise.
8726
8727 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
8728
8729         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8730
8731 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8732
8733         PR tree-opt/22269
8734         * tree-ssa-reassoc.c (should_transpose): Fix which operand
8735         we check for SSA_NAME for.
8736
8737 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
8738
8739         Fix PR tree-optimization/22071
8740
8741         * tree-ssa-structalias.c (offset_overlaps_with_access): New
8742         function.
8743         (get_constraint_for_component_ref): Use it.
8744
8745 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
8746
8747         PR other/22264
8748         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8749         print out the last new line.
8750
8751 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
8752
8753         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8754         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8755         * config/cris/cris.c (cris_conditional_register_usage): Adjust
8756         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8757         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8758         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8759         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8760         (enum reg_class): New member CC0_REGS.
8761         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8762         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8763         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8764         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8765         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8766         Adjust for register now described.
8767
8768 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
8769
8770         PR target/22262
8771         * config/i386/i386.md (stack_protect_test_si,
8772         stack_protect_test_di): Add earlyclobber for scratch 3.
8773         * config/rs6000/rs6000.md (stack_protect_testsi,
8774         stack_protect_testdi): Add earlyclobber for scratch 3,
8775         remove earlyclobber from scratch 4.
8776
8777 Older entries for 2005 can be found in ChangeLog-2005.